National Family Farm Coalition v. Usepa ( 2020 )


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  •                 FOR PUBLICATION
    UNITED STATES COURT OF APPEALS
    FOR THE NINTH CIRCUIT
    NATIONAL FAMILY FARM                    No. 17-70810
    COALITION; FAMILY FARM
    DEFENDERS; BEYOND PESTICIDES;              EPA No.
    CENTER FOR BIOLOGICAL DIVERSITY;        EPA-HQ-OPP-
    CENTER FOR FOOD SAFETY;                   2016-0594
    PESTICIDE ACTION NETWORK NORTH
    AMERICA,
    Petitioners,
    v.
    U.S. ENVIRONMENTAL PROTECTION
    AGENCY; ANDREW R. WHEELER, in
    his official capacity as
    Administrator,
    Respondents,
    DOW AGROSCIENCES LLC,
    Respondent-Intervenor.
    2     NAT’L FAMILY FARM COALITION V. USEPA
    NATURAL RESOURCES DEFENSE                No. 17-70817
    COUNCIL,
    Petitioner,           EPA No.
    EPA-HQ-OPP-
    v.                       2016-0594
    ANDREW R. WHEELER, in his official
    capacity as Administrator of the          OPINION
    United States Environmental
    Protection Agency; U.S.
    ENVIRONMENTAL PROTECTION
    AGENCY,
    Respondents,
    DOW AGROSCIENCES LLC,
    Respondent-Intervenor.
    On Petition for Review of an Order of the
    Environmental Protection Agency
    Argued and Submitted May 16, 2019
    Submission Withdrawn May 30, 2019
    Resubmitted July 22, 2020
    Portland, Oregon
    Filed July 22, 2020
    Before: N. Randy Smith, Paul J. Watford, and
    Ryan D. Nelson, Circuit Judges.
    Opinion by Judge R. Nelson;
    Concurrence by Judge R. Nelson;
    Dissent by Judge Watford
    NAT’L FAMILY FARM COALITION V. USEPA                       3
    SUMMARY *
    Environmental Protection Agency
    The panel granted one petition for review, denied
    another petition for review, and remanded without vacatur to
    the Environmental Protection Agency (“EPA”) in actions
    challenging the EPA’s decisions to register Enlist Duo – a
    pesticide designed to kill weeds on corn, soybean, and cotton
    fields – in 2014, 2015, and 2017.
    Enlist Duo combines two chemicals – 2,4-
    dichlorophenoxyacetic acid (“2,4-D”) choline salt and
    glyphosate.
    The panel held that the petitions for review were timely.
    A petition for review challenging a pesticide registration
    order in a court of appeal must be filed within 60 days after
    entry of such order. Here, the 2017 Notice of Registration
    was signed on January 12, 2017. The panel held that because
    the “date of entry” was not “explicitly” provided in the
    Notice of Registration, the “date of entry” was “two weeks
    after … [the Notice of Registration was] signed” – January
    26, 2017. 40 C.F.R. § 23.6. The petitions filed 54 days later
    were therefore timely. 7 U.S.C. § 136n(b).
    The panel next addressed petitioners’               Article III
    standing. First, concerning the claims under            the Federal
    Insecticide, Fungicide, and Rodenticide Act             (“FIFRA”),
    alleging that EPA misapplied FIFRA’s                     procedural
    *
    This summary constitutes no part of the opinion of the court. It
    has been prepared by court staff for the convenience of the reader.
    4       NAT’L FAMILY FARM COALITION V. USEPA
    requirements and lacked substantial evidence in support of
    its decision that Enlist Duo’s registration complied with
    those requirements, the panel held that petitioners National
    Resource Defense Council (“NRDC”) and Center for Food
    Safety (“CFS”), based on their members’ standing, both had
    associational standing to bring FIFRA claims. Because one
    petitioner from each petition had associational standing, the
    panel did not need to decide whether the other National
    Family Farm Coalition (“NFFC”) petitioners had
    associational standing.     Second, concerning the claims
    under the Endangered Species Act (“ESA”), alleging that
    EPA violated the ESA’s consultation procedures in
    registering Enlist Duo, the panel held that because one of
    CFS’s members had Article III standing, the organization
    also had associational standing to bring the ESA claims. In
    addition, the Article III standing of one NFFC petitioner
    made the ESA claims asserted by NFFC petitioners
    justiciable.
    Turning to the merits, the panel considered petitioners’
    FIFRA claims. FIFRA is a regulatory scheme aimed at
    controlling the use, sale, and labeling of pesticides; and the
    mechanism used to further this aim is a process called
    “registration.”   Registration can be unconditional or
    conditional, and both types often involve “pesticide
    products.”
    The panel rejected NRDC’s claim that the EPA
    incorrectly applied what NRDC believed to be the more
    lenient “conditional” registration standard rather than the
    more stringent “unconditional” standard when it registered
    Enlist Duo in 2014. First, the panel held that NRDC waived
    the argument. Second, even absent waiver, the panel held
    that NRDC’s argument was not persuasive. The registration
    NAT’L FAMILY FARM COALITION V. USEPA                   5
    documents supported the conclusion that EPA was applying
    the unconditional standard.
    NFFC petitioners argued that EPA incorrectly applied
    FIFRA’s “cause any unreasonable adverse effects”
    unconditional registration standard in its 2017 registration
    decision. EPA conceded that it cited the wrong standard, but
    the panel held that any error was harmless because the
    standard for unconditional registration was higher, not
    lower, than the standard for conditional registration. The
    panel held that the error did not show that EPA lacked
    substantial evidence to support its conclusions.
    Petitioners argued that EPA lacked substantial evidence
    for its 2014, 2015, and 2017 registration decisions for four
    reasons. First, the panel agreed with petitioners that EPA
    failed to properly assess harm to monarch butterflies from
    increased 2,4-D use on milkweed in target fields. The panel
    held that given the record evidence suggesting monarch
    butterflies may be adversely affected by 2,4-D on target
    fields, EPA was required, under FIFRA, to determine
    whether any effect was “adverse” before determining
    whether any effect on the environment was, on the whole,
    “unreasonable.” The panel concluded that EPA’s failure to
    do so meant that its decision was lacking in substantial
    evidence on the issue. Second, the panel rejected the
    argument that EPA failed to consider that Enlist Duo would
    increase the use of glyphosate over time. The panel held that
    substantial evidence supported EPA’s conclusion that
    neither the initial 2014 registration of Enlist Duo – nor the
    subsequent approvals for new use – will increase the overall
    use of glyphosate. Third, the panel rejected petitioners’
    contention that EPA failed to properly consider 2,4-D’s
    volatility – i.e., its tendency to evaporate into a gas and drift
    to non-target plants. The panel held that EPA reasonably
    6       NAT’L FAMILY FARM COALITION V. USEPA
    relied on studies to support its conclusion that the volatility
    of 2,4-D choline salt will not cause on unreasonable adverse
    effects on the environment. Accordingly, substantial
    evidence supported EPA’s findings. Fourth, the panel
    rejected NFFS petitioners’ contention that EPA should have
    accounted for the potential synergistic effect of mixing
    Enlist Duo with a different chemical called glufosinate. The
    panel held that this concern was speculative. In conclusion,
    as to FIFRA, the panel granted NRDC’s petition for review
    in part, and denied it in part.
    The panel next addressed, and rejected, the petitioners’
    ESA claims. The ESA and its implementing regulations
    delineate a process – known as Section 7 consultation – for
    determining the biological impacts of a proposed action.
    The process starts with a determination whether the
    proposed action will have “no effect” or if it “may effect”
    listed species or critical habitat. If an action will have no
    effect, no consultation with the expert agencies is needed.
    First, the panel rejected NFFC petitioners’ challenge to
    EPA’s “no effect” findings for plants and animals. The panel
    held that the EPA did what the ESA required it to do: assess
    risks to determine whether the exposure of protected species
    and critical habitat to potentially harmful chemicals would
    have any possible effect. The panel concluded that EPA’s
    ultimate “no effect” findings, and adoption of mitigation
    measures, were not arbitrary, capricious, or contrary to law.
    Second, the panel rejected NFFC petitioners’ argument that
    EPA’s rationale for limiting the “action area” to the treated
    field was not sound. The panel accorded deference to the
    EPA in the way it chose to define the action area. Third, the
    panel rejected NFFC petitioners’ argument that EPA
    violated its duty to insure no “adverse modification” of
    “critical habitat” by relying on its 2016 risk assessment.
    NAT’L FAMILY FARM COALITION V. USEPA               7
    Finally, the panel addressed the remedy for EPA’s error in
    its registration decisions under FIFRA. The panel held that
    remand without vacatur was warranted. EPA’s error in
    failing to consider harm to monarch butterflies caused by
    killing target milkweed was not “serious.” The panel
    remanded so that EPA can address the evidence concerning
    harm to monarch butterflies and whether the registration of
    Enlist Duo will lead to an unreasonable adverse effect on the
    environment.
    Concurring, Judge R. Nelson wrote separately to address
    how the interplay of FIFRA’s venue provision and standing
    could make a difference in a future case. In this case, the
    interplay between FIFRA’s venue provisions and Article III
    standing did not make a difference because, for each
    petition, one petitioner over which venue was proper also
    demonstrated standing.
    Dissenting, Judge Watford agreed with the majority that
    there was jurisdiction to review the petitioners’ challenges
    and that the EPA violated FIFRA by failing to assess the
    impact that Enlist Duo’s use will have on the monarch
    butterfly. However, in his view, EPA also violated the ESA
    by failing to use the best scientific data to assess whether
    Enlist Duo will adversely affect threatened or endangered
    species. Accordingly, he would vacate the 2014 and 2017
    registrations under review.
    8       NAT’L FAMILY FARM COALITION V. USEPA
    COUNSEL
    George A. Kimbrell (argued), Amy Van Saun, and Sylvia
    Shih-Yau Wu, Center for Food Safety, Portland, Oregon;
    Paul H. Achitoff, Earthjustice, Honolulu, Hawaii; for
    Petitioners National Family Farm Coalition, Family Farm
    Defenders, Beyond Pesticides, Center for Biological
    Diversity, Center for Food Safety, and Pesticide Action
    Network North America.
    Margaret T. Hsieh (argued), Mitchell S. Bernard, and Kaitlin
    Morrison, Natural Resources Defense Council, New York,
    New York; Peter J. DeMarco and Aaron Colangelo, Natural
    Resources Defense Council, Washington, D.C.; for
    Petitioner Natural Resources Defense Council.
    J. Brett Grosko (argued), Senior Trial Attorney; Michele L.
    Walter, Trial Attorney; Jeffrey H. Wood, Acting Assistant
    Attorney General; Jonathan D. Brightbill, Principal Deputy
    Assistant Attorney General; Environment and Natural
    Resources Division, United States Department of Justice,
    Washington, D.C.; Benjamin Wakefield and Michele Knorr,
    Pesticides & Toxics Substances Law Office, Office of
    General Counsel, United States Environmental Protection
    Agency, Washington, D.C.; for Respondents.
    Kathleen M. Sullivan (argued), Quinn Emanuel Urquhart &
    Sullivan LLP, New York, New York; David B. Weinberg,
    Wiley Rein LLP, Washington, D.C.; Stanley H. Abramson
    and Donald C. McLean, Arent Fox LLP, Washington, D.C.;
    Christopher Landau and Archith Ramkumar, Quinn
    Emanuel Urquhart & Sullivan LLP, Washington, D.C.;
    Andrew P. March, Quinn Emanuel Urquhart & Sullivan
    LLP, Redwood Shores, California; for Respondent-
    Intervenor.
    NAT’L FAMILY FARM COALITION V. USEPA                9
    Kirsten L. Nathanson, David Y. Chung, and Amy B.
    Symonds, Crowell & Moring LLP, Washington, D.C., for
    Amicus Curiae CropLife America.
    Matthew H. Lembke and Anna M. Manasco, Bradley Arant
    Boult    Cummings    LLP,     Birmingham,    Alabama;
    Bartholomew J. Kempf, Bradley Arant Bould Cummings
    LLP, Nashville, Tennessee; for Amici Curiae American
    Farm Bureau Federation, American Soybean Association,
    National Cotton Council of America, and National Corn
    Growers Association.
    OPINION
    R. NELSON, Circuit Judge:
    Petitioners challenge EPA’s decisions to register Enlist
    Duo—a pesticide designed to kill weeds on corn, soybean,
    and cotton fields—in 2014, 2015, and 2017. According to
    Petitioners, EPA’s decisions violate FIFRA and the ESA.
    We grant one petition in part as to FIFRA, deny the other
    petition as to both the ESA and FIFRA, and remand to the
    agency without vacatur.
    I
    Corn, soybeans, and cotton are three of the most
    important agricultural commodities in the United States.
    Corn is the primary feed grain in the United States and
    worldwide, soybeans are the world’s largest source of
    protein feed for animals and the second largest source of
    vegetable oil, and cotton is one of the most important textile
    fibers in the world.
    10      NAT’L FAMILY FARM COALITION V. USEPA
    These crops provide vital value to the United States and
    the world. Domestically, these three crops together have a
    gross production value of approximately $103 billion per
    year. Internationally, the United States is the world’s
    leading corn and soybean producer and exporter. The United
    States also provides, together with China and India, two-
    thirds of the world’s cotton.
    This important industry, however, is not immune from a
    plight that threatens every gardener: weeds. Since the
    1970s, glyphosate dimetyhlammonium salt (“glyphosate”)
    has been used on corn, soybeans, and cotton crops to reduce
    weeds. Over time, however, certain noxious weeds have
    grown resistant to glyphosate. That resistance in turn
    decreases crop yield, with severe economic consequences.
    To help solve this problem, Dow Agrosciences LLC
    (“Dow”) invented Enlist Duo. Enlist Duo combines two
    chemicals—2,4-dichlorophenoxyacetic acid (“2,4-D”)
    choline salt and glyphosate. Both 2,4-D and glyphosate have
    been registered for certain uses as pesticides for decades.
    When combined, however, they represent a significant
    improvement over glyphosate and 2,4-D, used separately.
    Combining the two chemicals delays the development of the
    weeds’ resistance and allows pesticide use later in the
    growing season, thereby improving yields.
    EPA issued a final order registering Enlist Duo under the
    Federal Insecticide, Fungicide, and Rodenticide Act
    (“FIFRA”) in October 2014. In that registration decision,
    EPA did not perform a risk assessment for Enlist Duo’s
    glyphosate component. Instead, it found that a new
    assessment was not needed because glyphosate was already
    being used in the same way in other pesticides to treat weeds.
    But the same was not true for 2,4-D. That component was
    being approved for use later into the growing season and on
    NAT’L FAMILY FARM COALITION V. USEPA               11
    taller-growing crops for the first time. So EPA performed a
    full risk assessment for 2,4-D. That analysis assessed human
    health risks; ecological risks; and risks to endangered
    species, plants, and critical habitats posed by 2,4-D. It also
    considered whether 2,4-D would volatilize—that is,
    evaporate into a gas—and drift to non-target plants and
    animals.
    EPA found, based on multiple studies, that the type of
    2,4-D in Enlist Duo—a choline salt variety—is less volatile
    than other forms of 2,4-D. That meant there was no risk of
    harm off the treated field, so long as the label
    requirements—including the use of nozzles, buffers, and
    avoiding application aerially—were followed to avoid the
    risk of spray drift. This finding led EPA to limit the “action
    area” to treated fields, thereby reducing the number of
    species subject to an ESA analysis. EPA then concluded,
    based on its FIFRA risk assessments and conservative ESA
    analysis, that Enlist Duo’s registration would “not generally
    cause unreasonable adverse effects on the environment”
    under FIFRA and would comply with the ESA, subject to
    certain use restrictions.
    Based on this conclusion, EPA issued a registration of
    Enlist Duo under FIFRA, which allowed Enlist Duo to be
    used on corn and soybean crops in six states. EPA’s
    decision, however, was ambiguous as to which FIFRA
    registration standard it was applying. The pesticide license
    approved an “unconditional” registration. So did the
    Proposed Decision Document. But the final registration
    document articulating EPA’s reasoning cited FIFRA’s
    “conditional” registration provision instead. EPA also
    referenced additional data requirements in the registration,
    even though outstanding data requirements are typically
    referenced in conditional registrations.
    12      NAT’L FAMILY FARM COALITION V. USEPA
    Petitioners National Family Farm Coalition, Family
    Farm Defenders, Beyond Pesticides, Center for Biological
    Diversity (“CBD”), Center for Food Safety (“CFS”), and
    Pesticide Action Network North America (“PANNA”)
    (collectively, the “NFFC Petitioners”) and Petitioner
    National Resource Defense Council (“NRDC”) challenged
    EPA’s 2014 registration decision in this Court. NRDC v.
    EPA, No. 14-73353 (9th Cir. Oct. 30, 2014); Ctr. for Food
    Safety v. EPA, No. 14-73359 (9th Cir. Oct. 30, 2014). While
    that litigation was pending, EPA issued a final order
    amending the 2014 registration to allow the use of Enlist
    Duo on corn and soybean crops in an additional nine states.
    That 2015 registration decision was supported by an
    ecological risk assessment for the protected species in the
    new states. The decision also relied on critical habitat
    modification determinations for the new uses of 2,4-D.
    Petitioners challenged the 2015 registration decision as
    well, NRDC v. EPA, No. 15-71213 (9th Cir. Apr. 20, 2015);
    Ctr. for Food Safety v. EPA, No. 15-71207 (9th Cir. Apr. 20,
    2015), and the challenges to the 2014 and 2015 registration
    decisions were consolidated in one proceeding. But briefing
    was never completed. Instead, EPA moved to remand and
    vacate the 2014 and 2015 registrations. EPA did so after
    discovering that Dow had filed a patent application with the
    U.S. Patent and Trademark office claiming “synergism”—
    that is, two chemicals working together to produce a greater
    combined effect than they would separately—between
    glyphosate and 2,4-D. This Court granted the request to
    remand the case, but denied the request for vacatur, leaving
    the 2014 and 2015 registration decisions in place.
    Shortly thereafter, on January 12, 2017, EPA issued
    another registration decision regarding Enlist Duo. In that
    decision, EPA relied on new data on synergy to conclude
    NAT’L FAMILY FARM COALITION V. USEPA                13
    that no concern lay with synergy between the glyphosate and
    2,4-D in Enlist Duo. EPA did not, however, address
    evidence that destruction of milkweed on target fields would
    harm the monarch butterfly population. The decision also
    contained three main conclusions. First, it reaffirmed EPA’s
    2014 and 2015 registration decisions. Second, it authorized
    the use of Enlist Duo on corn and soybean crops in
    19 additional states, bringing the total number of permitted-
    use states to 34. Third, it authorized a new use of Enlist Duo
    on cotton crops in all 34 states.
    To support these decisions, EPA relied in part on its prior
    analysis of glyphosate and 2,4-D. But EPA did perform
    some new analysis. For example, EPA relied on an updated
    ecological risk assessment for 531 ESA-listed species in the
    34 states where Enlist Duo was approved. The updated risk
    assessment, like the prior ones, used an iterative approach,
    through which species were ruled out and given “no effect”
    findings if their exposure to 2,4-D did not exceed a set “level
    of concern” after screening-level and, in some cases,
    species-specific assessments. Using this methodology, EPA
    made “no effect” findings as to all plants and animals off the
    treated field, after imposing similar mitigation measures as
    it had in 2014. This same methodology supported EPA’s
    “no effect” findings for 19 of 23 species on the treated field.
    EPA therefore did not contact the consultation agencies as to
    these species. As to the remaining four species, EPA
    imposed location-based label restrictions to avoid harm to
    three of them. EPA then consulted the Fish and Wildlife
    Service (“FWS”) as to the Eskimo curlew—after which
    FWS concurred with EPA’s conclusion that the Eskimo
    curlew would not be adversely affected by Enlist Duo. The
    2017 decision, relying on new critical habitat analysis, also
    concluded that no critical habitats would be affected because
    the eight species that occurred on corn, cotton, and soybean
    14       NAT’L FAMILY FARM COALITION V. USEPA
    fields did not have physical or biological features essential
    to the species in agricultural fields.
    Despite this new data and analysis, there were, for the
    first time, data gaps relating to 2,4-D that were not present
    during the prior registrations. These gaps—which related to
    2,4-D generally—meant that EPA could not register Enlist
    Duo unconditionally. Instead, EPA registered the entire
    Enlist Duo product on a “conditional” basis under FIFRA.
    In doing so, however, EPA cited FIFRA’s unconditional
    “cause unreasonable adverse effects” standard rather than
    FIFRA’s conditional “significantly increase the risk of
    unreasonable adverse effects” standard.
    Petitioners challenged EPA’s 2017 decision on March
    21, 2017. In the resulting briefing, the parties disagreed
    about whether EPA’s 2014 and 2015 registration decisions
    could also be reviewed. We held, after oral argument, that
    all three decisions were subject to review. We then ordered
    the parties to submit supplemental briefing addressing any
    challenges to the 2014 and 2015 registrations.
    II
    We first address whether this case is properly before us.
    EPA does not raise any overarching challenge to
    jurisdiction. 1 Dow, by contrast, argues that (1) the petitions
    1
    EPA does argue that NRDC lacks Article III standing to raise
    arguments about glyphosate. According to EPA, any favorable decision
    about glyphosate would not redress NRDC’s alleged injuries because
    glyphosate will continue to be used in the same quantities. We address—
    and reject—that argument below. See infra Section II.B.2.
    NAT’L FAMILY FARM COALITION V. USEPA                         15
    for review were untimely; and (2) Petitioners lack
    associational standing. 2
    A
    We begin with Dow’s argument that the petitions for
    review were untimely. A petition for review challenging a
    pesticide registration order in a court of appeals must be filed
    “within 60 days after the entry of such order.” 7 U.S.C.
    § 136n(b). 3 The “date of entry of an order” is governed by
    regulation. 40 C.F.R. § 23.6. “Unless . . . [EPA’s]
    Administrator otherwise explicitly provides in a particular
    order, the time and date of entry of an order issued by the
    Administrator” is “two weeks after it is signed.”
    Id. Here, the
    2017 Notice of Registration was signed on
    January 12, 2017. In addition, the “Date of Issuance” on the
    Notice of Registration is January 12, 2017. But Petitioners
    did not file their petitions until March 21, 2017—68 days
    2
    Dow also argues that venue is improper as to three of the six NFFC
    Petitioners (National Family Farm Coalition, Family Farm Defenders,
    and Beyond Pesticides) because none of them “reside[]” or “ha[ve] a
    place of business” in the Ninth Circuit. 7 U.S.C. § 136n(b). But we need
    not address that argument. Venue is proper as to the other three NFFC
    Petitioners (CFS, CBD, and PANNA) because they do “reside” or “have
    a place of business” in the Ninth Circuit. So regardless whether venue
    is improper as to three of the six NFFC Petitioners, we can address the
    merits of the NFFC petition.
    3
    FIFRA also allows for judicial review of EPA’s decisions in
    federal district courts when EPA refuses to “cancel or suspend a
    registration or to change a classification” or for “other final actions of
    the Administrator not committed to the discretion of the Administrator
    by law.” 7 U.S.C. § 136n(a).
    16       NAT’L FAMILY FARM COALITION V. USEPA
    after the Notice of Registration was issued. According to
    Dow, this means the petitions were eight days too late.
    Dow’s argument rests on the date of issuance—January
    12—being the “date of entry” of the order under 7 U.S.C.
    § 136n(b) and 40 C.F.R. § 23.6. But for this argument to
    work, the date of issuance must say that it is the “date of
    entry” “explicitly,” 40 C.F.R. § 23.6—that is, “without
    ambiguity or vagueness,” Explicit, Black’s Law Dictionary
    (10th ed. 2014). And here, considerable ambiguity exists.
    The Notice of Registration does not “explicitly” include a
    “date of entry.” Nor does “issue” mean the same thing as
    “entry.” Compare Issue, Black’s Law Dictionary (10th ed.
    2014) (“to send out or distribute officially”), with Entry,
    Black’s Law Dictionary (10th ed. 2014) (“the placement of
    something before the court or on the record”). Thus, the date
    of issuance of the 2017 registration does not “explicitly”
    indicate the “date of entry.”
    Because the “date of entry” was not “explicitly”
    provided in the Notice of Registration, the “date of entry”
    was “two weeks after . . . [the Notice of Registration was]
    signed”—January 26, 2017. 40 C.F.R. § 23.6. The petitions,
    filed 54 days later, were therefore timely. 7 U.S.C.
    § 136n(b); 40 C.F.R. § 23.6. 4
    B
    Dow also argues Petitioners lack standing to bring their
    petitions for review. To have associational standing, each
    organization must show that “(a) its members would
    otherwise have standing to sue in their own right; (b) the
    4
    This comports with EPA’s interpretation of the relevant statute and
    regulation in this and other cases.
    NAT’L FAMILY FARM COALITION V. USEPA                 17
    interests it seeks to protect are germane to the organization’s
    purposes; and (c) neither the claim asserted nor the relief
    requested requires the participation of individual members
    in the lawsuit.” Am. Diabetes Ass’n v. U.S. Dep’t of the
    Army, 
    938 F.3d 1147
    , 1155 (9th Cir. 2019) (citation
    omitted). Here, there is no dispute that at least one Petitioner
    from each petition for review has satisfied the second and
    third requirements. We therefore decide whether at least one
    Petitioner from each petition has shown that at least one of
    its members would have Article III standing to sue in his or
    her own right. Mont. Shooting Sports Ass’n v. Holder,
    
    727 F.3d 975
    , 981 (9th Cir. 2013) (“the presence in a suit of
    even one party with standing suffices to make a claim
    justiciable” (quoting Brown v. City of Los Angeles, 
    521 F.3d 1238
    , 1240 n.1 (9th Cir. 2008))).
    Article III of the United States Constitution confines
    federal courts to hearing only “[c]ases” and
    “[c]ontroversies.” U.S. Const. art. III, § 2, cl. 1. “A suit
    brought by a plaintiff without Article III standing is not a
    ‘case or controversy,’ and an Article III federal court
    therefore lacks subject matter jurisdiction over the suit.”
    City of Oakland v. Lynch, 
    798 F.3d 1159
    , 1163 (9th Cir.
    2015) (citation omitted). To establish standing, a plaintiff
    must demonstrate “(1) a concrete and particularized injury
    that is ‘actual or imminent, not conjectural or hypothetical’;
    (2) a causal connection between the injury and the
    defendant’s challenged conduct; and (3) a likelihood that a
    favorable decision will redress that injury.” Pyramid Lake
    Paiute Tribe of Indians v. Nev., Dep’t of Wildlife, 
    724 F.3d 1181
    , 1187 (9th Cir. 2013) (quoting Lujan v. Defs. of
    Wildlife, 
    504 U.S. 555
    , 560–61 (1992)).
    To meet this standard, Petitioners must show a
    “substantial probability” of standing, Nw. Requirements
    18      NAT’L FAMILY FARM COALITION V. USEPA
    Utils. v. FERC, 
    798 F.3d 796
    , 805 (9th Cir. 2015) (citation
    omitted), which is the same burden “as that of a plaintiff
    moving for summary judgment in the district court,” Sierra
    Club v. EPA, 
    292 F.3d 895
    , 899 (D.C. Cir. 2002). Because
    a “plaintiff must demonstrate standing for each claim he
    seeks to press and for each form of relief that is sought,” we
    analyze Petitioners’ Article III standing for the ESA and
    FIFRA claims separately. Town of Chester v. Laroe Estates,
    Inc., 
    137 S. Ct. 1645
    , 1650 (2017) (quoting Davis v. FEC,
    
    554 U.S. 724
    , 734 (2008)).
    1
    First, the FIFRA claims. NFFC Petitioners and NRDC
    both assert that EPA misapplied FIFRA’s procedural
    requirements and lacked substantial evidence in support of
    its decisions that Enlist Duo’s registration complied with
    those requirements. These are procedural injuries. Indeed,
    the registration standards at issue are the safeguards put in
    place by Congress to ensure that approved pesticides do not
    cause adverse effects on the environment. 7 U.S.C. § 136a.
    And EPA’s alleged failure to follow those standards is what
    leads to the alleged “substantive harm to the environment”
    in this case. Citizens for Better Forestry v. U.S. Dep’t of
    Agric., 
    341 F.3d 961
    , 971 (9th Cir. 2003) (internal quotation
    marks and citation omitted). We therefore apply the rules of
    Article III standing that apply to procedural injuries in
    determining Petitioners’ standing to assert their FIFRA
    claims. See Nat. Res. Def. Council v. Jewell, 
    749 F.3d 776
    ,
    783 (9th Cir. 2014). NRDC and one of NFFC Petitioners,
    CFS, meet that standard here based on their assertion of
    procedural violations of FIFRA.
    Injury in Fact for NRDC. In the context of procedural
    violations, the injury-in-fact requirement is met if “the
    procedures in question are designed to protect some
    NAT’L FAMILY FARM COALITION V. USEPA                 19
    threatened concrete interest of [the petitioner] that is the
    ultimate basis of his standing.” Salmon Spawning &
    Recovery All. v. Gutierrez, 
    545 F.3d 1220
    , 1225 (9th Cir.
    2008) (internal quotation marks and citation omitted).
    NRDC meets that standard here. Members of NRDC have
    submitted declarations stating that they enjoy watching the
    monarch butterfly migration where they live, that Enlist Duo
    is approved for use in their states, and that they are
    concerned they will no longer be able to enjoy observing
    monarch butterflies because of Enlist Duo’s effects on
    milkweed.
    These declarations show a concrete interest for two
    reasons. First, a concrete interest can be “an aesthetic or
    recreational interest in a particular place, or animal, or plant
    species.” Ecological Rights Found. v. Pac. Lumber Co.,
    
    230 F.3d 1141
    , 1147 (9th Cir. 2000). And second, there is a
    “geographic nexus between the individual[s] asserting the
    claim and the location suffering [the] environmental
    impact.” Ashley Creek Phosphate Co. v. Norton, 
    420 F.3d 934
    , 938 (9th Cir. 2005) (internal quotation marks and
    citation omitted); see
    id. (“[P]laintiffs who
    use the area
    threatened by a proposed action or who own land near the
    site of a proposed action have little difficulty establishing a
    concrete interest.”).
    Moreover, the registration provisions at issue are
    designed to protect the environment. Salmon 
    Spawning, 545 F.3d at 1226
    . Both the conditional and unconditional
    registration provisions in FIFRA require EPA to consider
    “unreasonable adverse effects on the environment.”
    7 U.S.C. § 136a(c)(5)(C), (c)(7). These effects would
    include any effect on monarch butterflies, which is what
    NRDC’s members are concerned about.
    20      NAT’L FAMILY FARM COALITION V. USEPA
    Dow argues that NRDC cannot satisfy the injury-in-fact
    requirement because it cannot prove that Enlist Duo has
    caused a decline in the monarch butterfly population. But “a
    credible threat of harm is sufficient to constitute actual injury
    for standing purposes.” Cent. Delta Water Agency v. United
    States, 
    306 F.3d 938
    , 950 (9th Cir. 2002). Thus, NRDC need
    only show that the exercise of a procedural right “could
    protect [its] concrete interests.” Cottonwood Envtl Law Ctr.
    v. U.S. Forest Serv., 
    789 F.3d 1075
    , 1082 (9th Cir. 2015). It
    has done so here.
    Causation and Redressability for NRDC. We now turn
    to the second and third requirements for Article III standing,
    which are relaxed for NRDC because it has established
    injury in fact. See Salmon 
    Spawning, 545 F.3d at 1226
    . The
    causation requirement is satisfied by showing a “reasonable
    probability of the challenged action’s threat to [NRDC’s]
    concrete interest.” Hall v. Norton, 
    266 F.3d 969
    , 977 (9th
    Cir. 2001) (internal quotation marks and citation omitted).
    To satisfy the redressability requirement, by contrast, NRDC
    need only show “that the relief requested—that the agency
    follow the correct procedures—may influence the agency’s
    ultimate decision of whether to take or refrain from taking a
    certain action.” Salmon 
    Spawning, 545 F.3d at 1226
    –27
    (emphasis added).
    Here, the causation element is satisfied because there is
    a “reasonable probability” that EPA may have further
    minimized any alleged harm to monarch butterflies had it
    adopted NRDC’s arguments. 
    Hall, 266 F.3d at 977
    .
    Moreover, adopting NRDC’s arguments “may influence the
    agency’s ultimate decision of whether to take or refrain from
    taking a certain action,” which satisfies the redressability
    requirement. Salmon 
    Spawning, 545 F.3d at 1226
    –27
    (emphasis added).
    NAT’L FAMILY FARM COALITION V. USEPA                 21
    Both EPA and Dow argue that this conclusion cannot be
    right. EPA contends, for example, that NRDC lacks
    standing to raise any arguments about glyphosate.
    According to EPA, vacatur of the registration of Enlist Duo
    would not redress any alleged glyphosate-based harms
    because, even if Enlist Duo was not registered, other
    pesticides containing glyphosate would continue to be used
    such that overall glyphosate use would not decrease. Dow,
    for its part, advances a very similar argument, contending
    that because the registration does not alter any existing uses
    of glyphosate and 2,4-D, NRDC cannot show that a
    favorable decision here would redress its supposed injuries.
    These arguments misunderstand the redressability
    inquiry for procedural injuries. “[T]he mere existence of
    multiple causes of an injury does not defeat redressability,
    particularly for a procedural injury.” WildEarth Guardians
    v. U.S. Dep’t of Agric., 
    795 F.3d 1148
    , 1157 (9th Cir. 2015).
    “So long as a defendant is at least partially causing the
    alleged injury, a plaintiff may sue that defendant, even if the
    defendant is just one of multiple causes of the plaintiff’s
    injury.”
    Id. That is
    the case here.
    Moreover, the redressability arguments Dow and EPA
    advance ask the Court to perform its Article III standing
    analysis on an argument-by-argument basis. But standing is
    assessed based on the claims asserted, Town of 
    Chester, 137 S. Ct. at 1650
    , and the type of injury alleged, Citizens
    for Better 
    Forestry, 341 F.3d at 971
    , not argument-by-
    argument. NRDC therefore has Article III standing to seek
    vacatur of the registration decisions under FIFRA.
    Standing for NFFC Petitioners. CFS has likewise shown
    “that the procedures in question are designed to protect some
    threatened concrete interest . . . that is the ultimate basis of
    [its] standing” for purposes of standing for NFFC
    22      NAT’L FAMILY FARM COALITION V. USEPA
    Petitioners. Salmon 
    Spawning, 545 F.3d at 1225
    (citation
    omitted). Eric Pool, a member of CFS, submitted a
    declaration stating that Enlist Duo is approved for use in his
    home state of Illinois and that his crops are affected by the
    use of the components of Enlist Duo on nearby fields. These
    effects, according to his declaration, have caused economic
    damage, including harming his grapevines and forcing him
    to decrease the amount of acreage he plants on.
    Mr. Pool’s declaration establishes a concrete interest that
    is geographically linked to his home. Ecological Rights
    
    Found., 230 F.3d at 1147
    ; Ashley 
    Creek, 420 F.3d at 938
    .
    And FIFRA is designed to protect these interests. Indeed,
    the statute requires EPA to determine whether any given
    action will cause “unreasonable adverse effects on the
    environment.” 7 U.S.C. § 136a(c)(5)(C), (c)(7). This
    effects-based test considers not only “environmental costs,”
    but also “economic” ones, which are the interests Mr. Pool
    claims. 7 U.S.C. § 136(bb).
    The Pool declaration also meets the relaxed threshold for
    showing causation and redressability for procedural injuries.
    The causation element is satisfied because there is a
    “reasonable probability” that EPA would have assessed the
    threat to farmers differently had it adopted CFS’s arguments.
    
    Hall, 266 F.3d at 977
    . Moreover, vacating the registration
    so that EPA reanalyzes the issues CFS raises “may influence
    the agency’s ultimate decision of whether to take or refrain
    from taking a certain action,” which satisfies the
    redressability prong. Salmon 
    Spawning, 545 F.3d at 1226
    –
    27 (emphasis added).
    In sum, NRDC and CFS, based on their members’
    standing, both have associational standing to bring FIFRA
    claims. Am. 
    Diabetes, 938 F.3d at 1155
    . Because one
    petitioner from each petition has associational standing, we
    NAT’L FAMILY FARM COALITION V. USEPA                           23
    need not decide whether the other NFFC Petitioners have
    associational standing. Mont. Shooting 
    Sports, 727 F.3d at 981
    . 5
    2
    Next, the ESA claims. NFFC Petitioners allege that EPA
    violated the ESA’s consultation procedures in registering
    Enlist Duo. These alleged violations are procedural in
    nature, so the standing rules applicable to such violations
    apply here, too. 
    Jewell, 749 F.3d at 783
    .
    Injury in Fact. CFS has shown injury in fact for NFFC
    Petitioners. One of its members, Leslie Limberg, submitted
    a declaration stating that she lives in a state where Enlist Duo
    is approved for use and that she enjoys observing
    endangered species where she lives, including the Indiana
    bat. This declaration shows an aesthetic and recreational
    interest that is geographically linked to the individual
    asserting the claim, thereby satisfying the injury-in-fact
    requirement. Ecological Rights 
    Found., 230 F.3d at 1147
    ;
    Ashley 
    Creek, 420 F.3d at 938
    .
    5
    Neither Dow nor EPA argue that any Petitioner lacks statutory
    standing under the APA to challenge the EPA’s action under FIFRA.
    But we conclude those requirements—that (1) “there has been final
    agency action adversely affecting the plaintiff”; and (2) the plaintiff
    “suffers legal wrong or that its injury falls within the zone of interests of
    the statutory provision the plaintiff claims was violated,” Citizens for
    Better 
    Forestry, 341 F.3d at 976
    (citation omitted)—are met as well.
    These requirements are not relevant to the ESA claim because the ESA
    provides for a private right of action outside of the APA. Wash. Toxics
    Coal. v. EPA, 
    413 F.3d 1024
    , 1034 (9th Cir. 2005) (citation omitted),
    abrogated on other grounds as recognized in Cottonwood, 789 F.3d
    at 089.
    24      NAT’L FAMILY FARM COALITION V. USEPA
    Moreover, the ESA’s consultation procedures that CFS
    claims have been violated—for example, the requirement
    that EPA consult when a proposed action “may affect” any
    listed species—are designed to protect these concrete
    interests. Salmon 
    Spawning, 545 F.3d at 1229
    ; see
    id. at 1225–26.
    “These procedures are designed to advance the
    ESA’s overall goal of species preservation, and thus the
    groups’ specific goals” as well as “ensur[e] agency
    compliance with the ESA’s substantive provisions.”
    Id. at 1226
    (citing Bennett v. Spear, 
    520 U.S. 154
    , 176 (1997)).
    Dow contends CFS cannot establish injury in fact as to
    the ESA claims because its members’ concerns are
    speculative and far from imminent. But CFS need only
    provide evidence of “an increased risk [of harm] based on a
    violation of a statute.” Ocean Advocates v. U.S. Army Corps
    of Eng’rs, 
    402 F.3d 846
    , 860 (9th Cir. 2005) (alteration
    adopted and citation omitted). That standard is met here
    because a reconsideration of ESA’s consultation standards
    could lead to a different result—that is, it “could protect
    [Petitioners’ members’] concrete interests.” 
    Cottonwood, 789 F.3d at 1082
    .
    Causation and Redressability. We now turn to the
    second and third requirements for Article III standing.
    Redressability is satisfied here because the consultation CFS
    argues is required under the ESA may have modified EPA’s
    decision. See 
    Hall, 266 F.3d at 977
    (holding redressability
    prong met where relevant decision “could be influenced” by
    environmental studies plaintiff requested).
    Dow argues that causation is not met because CFS
    acknowledges that other factors besides Enlist Duo may
    endanger the species at issue and because other similar
    pesticides may cause the same harms even if Enlist Duo is
    never used. For purposes of standing, however, “the causal
    NAT’L FAMILY FARM COALITION V. USEPA                   25
    connection . . . need not be so airtight . . . to demonstrate that
    the plaintiffs would succeed on the merits.” Ecological
    Rights 
    Found., 230 F.3d at 1152
    . Instead, the standing
    inquiry focuses on whether the petitioner’s injury is “fairly
    traceable to the challenged conduct,” 
    WildEarth, 795 F.3d at 1154
    —that is, whether the claim of injury relies merely on
    “the behavior of other parties” or “an attenuated chain of
    conjecture” as to what could happen in the future, 
    Hall, 266 F.3d at 977
    (citation omitted). And here, CFS’s ESA
    claim does not rely on other parties to take action or an
    attenuated chain of conjecture. As a result, a “reasonable
    probability” exists that EPA’s failure to consult threatens
    CFS’s concrete interests and the causation prong is satisfied.
    
    Hall, 266 F.3d at 977
    (citation omitted).
    Because one of CFS’s members has Article III standing,
    the organization also has associational standing to bring its
    ESA claims. Am. 
    Diabetes, 938 F.3d at 1155
    . The Article
    III standing of one NFFC Petitioner makes the ESA claims
    asserted by NFFC Petitioners justiciable. Mont. Shooting
    
    Sports, 727 F.3d at 981
    .
    III
    FIFRA “is a comprehensive regulatory scheme aimed at
    controlling the use, sale, and labeling of pesticides.” Nathan
    Kimmel, Inc. v. DowElanco, 
    275 F.3d 1199
    , 1204 (9th Cir.
    2002). Under the statute, the mechanism used to further this
    aim is a process called “registration.” 7 U.S.C. § 136a(a).
    Before any pesticide can be sold or used in the United States,
    EPA must register the pesticide—that is, provide a license
    that establishes the terms and conditions under which a
    pesticide may be lawfully sold, distributed, and used within
    the United States.
    Id. § 136a(c).
    The terms and conditions
    on the license include exactly what product can be sold, the
    specific packaging it must be sold in, and labeling that
    26      NAT’L FAMILY FARM COALITION V. USEPA
    contains instructions on proper use.
    Id. § 136(p);
    40 C.F.R.
    §§ 152.115, 156.10.
    Registration occurs in a variety of ways. The principal
    type of registration is called unconditional registration.
    7 U.S.C. § 136a(c)(5). For unconditional registration, EPA
    must “review[] all relevant data in [its] possession” and
    “determine[] that no additional data are necessary” to its
    decision.     40 C.F.R. § 152.112(b), (c).          EPA can
    unconditionally register the pesticide only if it will “not
    generally cause unreasonable adverse effects on the
    environment” “when used in accordance with widespread
    and commonly recognized practice.”
    Id. § 152.112(e).
    “[U]nreasonable adverse effects on the environment” is
    defined, in relevant part, as “any unreasonable risk to man or
    the environment, taking into account the economic, social,
    and environmental costs and benefits of the use of any
    pesticide.” 7 U.S.C. § 136(bb).
    FIFRA also allows EPA to “conditionally register or
    amend the registration” of a pesticide for use in certain
    “special circumstances.” 7 U.S.C. § 136a(c)(7) (emphasis
    added). Conditional registration allows for an existing
    registration to be amended with less data than is required for
    an unconditional registration. See
    id. § 136a(c)(7)(B).
    But
    it still imposes a burden on EPA.
    Id. To conditionally
    register a pesticide or amend a pesticide registration, EPA
    must determine that “the applicant has submitted satisfactory
    data pertaining to the proposed additional use”; and that
    “amending the registration in the manner proposed . . .
    would not significantly increase the risk of any unreasonable
    adverse effect on the environment.”
    Id. Both types
    of registration often involve “pesticide
    product[s].” 40 C.F.R. § 152.15. A “pesticide product” is a
    “pesticide in the particular form (including composition,
    NAT’L FAMILY FARM COALITION V. USEPA                27
    packaging, and labeling) in which the pesticide is, or is
    intended to be, distributed or sold.”
    Id. § 152.3.
    As such, a
    “pesticide product” may include one or more active or inert
    chemical ingredients. See
    id. (“Pesticide means
    any
    substance or mixture of substances intended for preventing,
    destroying, repelling, or mitigating any pest, or intended for
    use as a plant regulator, defoliant, or desiccant . . . .”).
    “Active ingredient[s]” are those ingredients in the pesticide
    product that do the work to “prevent, destroy, repel or
    mitigate any pest.”
    Id. Enlist Duo,
    for example, is a
    “pesticide product” composed of two “active ingredients”
    that do the work: glyphosate and 2,4-D. See 7 U.S.C.
    § 136a(c)(7)(C) (contemplating a “pesticide” containing
    more than one “active ingredient” and some “active
    ingredient[s]” being registered previously).
    Under FIFRA’s implementing regulations, EPA takes a
    specific approach in cases involving “active ingredient[s]”
    that have already been registered as part of other “pesticide
    product[s].” 40 C.F.R. § 152.111. In such cases, “the
    Agency will not commence a complete review of the
    existing data base on a given chemical in response to receipt
    of an application for registration.”
    Id. “Instead, the
    Agency
    will review the application using the criteria for conditional
    registration” under 7 U.S.C. § 136a(c)(7)(A) and (B).
    Id. Under those
    provisions, EPA may “conditionally register or
    amend the registration of a pesticide” if “the pesticide and
    proposed use are identical or substantially similar to any
    currently registered pesticide and use thereof, or differ” only
    slightly and the registration would not “significantly
    increase the risk of any unreasonable adverse effect on the
    environment.” 7 U.S.C. § 136a(c)(7)(A); see also 40 C.F.R.
    § 152.113 (allowing conditional registration for pesticide
    products “that do not contain a new active ingredient”).
    These registrations are often called “me-too” registrations.
    28      NAT’L FAMILY FARM COALITION V. USEPA
    FIFRA also allows EPA to cancel or change the
    classification of a registration if it determines that the
    pesticide “generally causes unreasonable adverse effects on
    the environment.” 7 U.S.C. § 136d(b). FIFRA also contains
    a provision requiring that “[t]he registrations of
    pesticides”—including          “active      ingredients”—“be
    periodically reviewed,” a process called “registration
    review” that takes place every 15 years. 7 U.S.C.
    § 136a(g)(1)(A)(i), (iii). During registration review, EPA
    “evaluate[s] elements of FIFRA 3(c)(5) including the
    composition, labeling and other required material (including
    studies and other data), risks and benefits of a pesticide, and
    incident data or other information relating to its use.”
    Pesticides; Procedural Regulations for Registration Review,
    65 Fed. Reg. 24,586, 24,587 (Apr. 26, 2000). Based on its
    evaluation, which includes public input, 7 U.S.C.
    § 136a(g)(2); 40 C.F.R. §§ 155.25, 155.30, 155.42, EPA can
    cancel an existing registration, 7 U.S.C. § 136a(g)(1)(A)(v).
    We review EPA’s compliance with these requirements
    for “substantial evidence when considered on the record as a
    whole.” 7 U.S.C. § 136n(b); Nat. Res. Def. Council v. EPA
    (Nanosilver II), 
    857 F.3d 1030
    , 1035 (9th Cir. 2017). For
    there to be substantial evidence, the administrative record
    must show “such relevant evidence as a reasonable mind
    might accept as adequate to support a conclusion even if it is
    possible to draw two inconsistent conclusions from the
    evidence.” Nanosilver 
    II, 857 F.3d at 1036
    (internal
    quotation marks and citation omitted). This review is
    “relatively deferential to the agency factfinder,” but must
    still be “searching and careful, subjecting the agency’s
    decision to close judicial scrutiny.” Containerfreight Corp.
    v. United States, 
    752 F.2d 419
    , 422 (9th Cir. 1985) (internal
    quotation marks and citation omitted).
    NAT’L FAMILY FARM COALITION V. USEPA             29
    A
    NRDC first claims EPA incorrectly applied what NRDC
    believes is the more lenient “conditional” registration
    standard rather than the more stringent “unconditional”
    standard when it registered Enlist Duo in 2014. We disagree.
    As a preliminary matter, NRDC waived any argument
    that EPA applied the incorrect standard when it registered
    Enlist Duo in 2014. NRDC did not raise this argument
    during the administrative process, or during its first
    challenge to the 2014 registration. In fact, NRDC
    affirmatively acknowledged that EPA’s 2014 registration of
    Enlist Duo was an unconditional registration. NRDC has
    therefore waived this particular challenge to the 2014
    registration. See N. Plains Res. Council, Inc. v. Surface
    Transp. Bd., 
    668 F.3d 1067
    , 1081 (9th Cir. 2011) (“Parties
    must alert an agency to their position and contentions.”).
    Even absent waiver, however, NRDC’s argument that
    EPA applied the wrong standard is not persuasive. NRDC’s
    primary support for this argument is one line in the 2014
    Final Registration Decision citing FIFRA’s conditional
    registration provision. But this stray line appears to be a
    typographical error. The EPA’s 2014 registration was
    plainly unconditional—not conditional. The Notice of
    Registration—which is the actual license—states that Enlist
    Duo “is unconditionally registered in accordance with
    FIFRA section 3(c)(5)” and the “Term of Issuance” is
    “Unconditional.”      Similarly, the Proposed Decision
    Document cites subsection 3(c)(5) and “concludes that . . .
    approving this application as set forth below will not cause
    any unreasonable adverse effect on the environment,”
    language tracking the unconditional registration standard.
    30      NAT’L FAMILY FARM COALITION V. USEPA
    Moreover, the analysis in the registration documents
    does not suggest EPA was applying the more limited
    “significantly increase the risk of unreasonable adverse
    effect[s]” standard. To the contrary, the documents indicate
    EPA applied the broader “cause any unreasonable adverse
    effects” standard for unconditional registrations. For
    example, EPA did not just analyze how the use of 2,4-D in
    Enlist Duo differed from how 2,4-D was being used in
    previous pesticides and then address the risks associated
    with those new uses. Instead, it analyzed the human and
    ecological risks of using 2,4-D. This context supports that
    EPA was applying the unconditional registration standard, a
    conclusion NFFC Petitioners agreed with in their briefing.
    That EPA mentioned outstanding data Dow should
    provide to the agency in unconditionally approving the
    product does not change that conclusion. True, it is FIFRA’s
    conditional registration provision that allows EPA to
    approve a product without all relevant data. 7 U.S.C.
    § 136a(c)(7)(A). But that does not mean EPA cannot request
    additional data when unconditionally approving a product.
    EPA can. When it does so, however, any such data must not
    be “necessary to make the determinations” under subsection
    (c)(5), 40 C.F.R. § 152.112(c)—that is, not needed to
    determine whether the product will “generally cause
    unreasonable adverse effects on the environment,” 7 U.S.C.
    § 136a(c)(5)(D). EPA’s decision to unconditionally register
    Enlist Duo therefore did not prevent it from requesting
    additional data; it merely prevented it from requesting
    additional data relevant to whether the unconditional
    registration standard was met. Here, NRDC does not argue
    that the additional data EPA requested was necessary to that
    inquiry.
    NAT’L FAMILY FARM COALITION V. USEPA                        31
    Even assuming the requested data were necessary to
    assessing the risks associated with Enlist Duo, however,
    EPA’s unconditional registration would not be transformed
    into a conditional one. As discussed above, EPA’s analysis
    and the relevant registration documents make clear that EPA
    was applying the broader unconditional registration
    standard. Thus, to the extent EPA was requesting data
    relevant to assessing risk under FIFRA, any such request
    only suggests EPA erred in applying the unconditional
    registration standard. And no Petitioner argues there was
    any such error here. 6
    B
    NFFC Petitioners argue that EPA incorrectly applied
    FIFRA’s “cause any unreasonable adverse effects”
    unconditional registration standard in its 2017 registration
    decision rather than the “significantly increase the risk of
    any unreasonable adverse effect” conditional registration
    standard. EPA concedes that it cited the wrong standard but
    argues any error is harmless because the standard for
    unconditional registration is higher, not lower, than the
    standard for conditional registration.
    6
    We reach a similar conclusion as to NRDC’s argument that EPA
    unlawfully imposed “conditions” on its 2014 registration decision. We
    are not persuaded that EPA was imposing “conditions” on registration
    merely because it used the phrase “provided that” before listing a few
    additional requirements for Dow. Nor do we decide whether EPA can
    impose “conditions” on unconditional registrations under FIFRA. Cf.
    40 C.F.R. § 152.115(c) (authorizing EPA to establish “other conditions
    applicable to registration[]” for conditional registrations). Even if EPA
    were imposing “conditions” on its unconditional registration, that would
    only suggest error in applying that standard—not transform EPA’s
    unconditional registration into a conditional one.
    32      NAT’L FAMILY FARM COALITION V. USEPA
    We agree with EPA. At first blush, the conditional
    registration standard appears to impose a higher standard
    than the unconditional one. After all, “cause,” as used in the
    unconditional registration standard, entails the pesticide
    “produc[ing]” harm, Cause, Black’s Law Dictionary (10th
    ed. 2014), while “risk,” as used in the conditional standard,
    connotes the “possibility of harm,” Risk, Black’s Law
    Dictionary (10th ed. 2014). But those words are not the only
    clues as to what this statute means. We must also look to the
    statute as a whole to find meaningful context. See Exxon
    Mobil Corp. v. EPA, 
    217 F.3d 1246
    , 1249 (9th Cir. 2000).
    That context provides significant guidance here. The
    conditional registration standard, with its “risk” language,
    only applies when a registrant is proposing to use an already-
    registered pesticide or active ingredient in a new way.
    7 U.S.C. § 136a(c)(7)(A), (B). That means conditional
    registration is an option only when a pesticide or active
    ingredient has already been registered using the
    unconditional registration, causation-based standard. The
    conditional registration standard is therefore best understood
    as limiting the scope of new evidence EPA must consider in
    making its registration decision, a conclusion Petitioner
    NRDC agreed with in its briefing. EPA need only consider
    evidence that bears on whether the new or additional use
    changes EPA’s original conclusion that the pesticide or
    active ingredient will “not generally cause unreasonable
    adverse effects.”
    Id. § 136a(c)(7).
    Any error by EPA in
    citing the more burdensome unconditional registration
    standard therefore does not show that EPA lacked substantial
    evidence to support its conclusions.
    C
    Petitioners argue that EPA lacked substantial evidence
    for its 2014, 2015, and 2017 registration decisions because
    NAT’L FAMILY FARM COALITION V. USEPA               33
    EPA failed to: (1) properly assess harm to monarch
    butterflies from increased 2,4-D use on milkweed in target
    fields; (2) consider that Enlist Duo would increase the use of
    glyphosate over time; (3) correctly consider the volatility of
    Enlist Duo’s 2,4-D component; and (4) consider the
    synergistic effects of mixing Enlist Duo with glufosinate.
    We address each argument in turn.
    1
    With the approval of Enlist Duo, the use of Enlist Duo’s
    2,4-D ingredient will increase. NRDC argues that EPA
    failed to consider the harm of expanded 2,4-D use to certain
    monarch butterfly habitats and human health.
    We decline to address NRDC’s challenge to EPA’s
    analysis of human health risks because NRDC failed to
    address that argument in its opening brief and therefore
    waived it. NRDC’s opening brief states that “Enlist Duo
    may pose serious risks to human health” and discusses those
    risks in the Statement of the Case but does not meaningfully
    address them in any of its briefing. We have regularly held
    that “an issue referred to in the appellant’s statement of the
    case but not discussed in the body of the opening brief is
    deemed waived.” Martinez-Serrano v. INS, 
    94 F.3d 1256
    ,
    1259 (9th Cir. 1996). This case is no exception.
    As to the impact on the monarch butterfly population,
    EPA did assess some of these risks as part of its registration
    decisions. Before the 2017 decision, for example, EPA
    performed a risk assessment that considered the “toxic
    effects to non-target plants (a grouping that includes plants
    important to monarchs).” EPA found “no concerns for
    terrestrial invertebrates (including monarchs)” because
    Enlist Duo would only affect treated fields—not non-target
    plants—as long as it was used under the “conditions
    34      NAT’L FAMILY FARM COALITION V. USEPA
    prescribed by the label.” These conditions include requiring
    a “30 foot downwind buffer (in the direction in which the
    wind is blowing)” and a specific, low drift nozzle. These
    mitigation measures, among others, will avoid spray drift of
    2,4-D to non-target fields, thereby ensuring that no non-
    target milkweed is affected.        EPA reached similar
    conclusions, using similar reasoning, in its 2014 registration
    decision.
    So far, so good. But NRDC also argues EPA should
    have considered how the destruction of milkweed on target
    fields would affect monarch butterflies. This argument
    carries some force because EPA acknowledged in its
    briefing that it did not assess those risks. According to EPA,
    it was not required to do so because “farmers will control the
    same amount of milkweed on their crop fields through the
    use of herbicides or other means and at the same crop growth
    stages, with or without Enlist Duo.”
    Despite the intuitive appeal of EPA’s argument, we must
    reject it. EPA did not assert this rationale as a reason for
    declining to assess the destruction of milkweed on target
    fields, so neither can we. See Motor Vehicle Mfrs. Ass’n of
    U.S., Inc. v. State Farm Mut. Auto. Ins. Co., 
    463 U.S. 29
    , 43
    (1983) (“We may not supply a reasoned basis for the
    agency’s action that the agency itself has not given.”
    (quoting SEC v. Chenery Corp., 
    332 U.S. 194
    , 196 (1947))).
    After all, “judicial review of agency action is limited to ‘the
    grounds that the agency invoked when it took the action.’”
    Dep’t of Homeland Sec. v. Regents of the Univ. of Cal.,
    
    140 S. Ct. 1891
    , 1907 (2020) (quoting Michigan v. EPA,
    
    576 U.S. 743
    , 758 (2015)). Moreover, even had EPA
    asserted such a rationale, it would likely be premised on
    legal error. That milkweed would likely be targeted in the
    same ways even absent Enlist Duo’s registration suggests
    NAT’L FAMILY FARM COALITION V. USEPA                35
    that registering Enlist Duo may not be “unreasonable” under
    FIFRA. 7 U.S.C. § 136a(c)(5), (c)(7). But it says nothing
    about whether an effect would be “adverse.”
    Id. Given the
    record evidence suggesting monarch butterflies may be
    adversely affected by 2,4-D on target fields, EPA was
    required, under FIFRA, to determine whether any effect was
    “adverse” before determining whether any effect on the
    environment was, on the whole, “unreasonable.” EPA’s
    failure to do so means that its decision was lacking in
    substantial evidence on this issue.
    2
    NRDC also challenges EPA’s conclusion that Enlist
    Duo’s glyphosate ingredient “would not cause unreasonable
    adverse effects on the environment” because glyphosate was
    already being used in the same locations and doses and on
    the same crops. According to EPA, Enlist Duo’s registration
    “would only impact which glyphosate product was used”—
    not how much glyphosate was used.
    NRDC contends that FIFRA does not allow EPA to take
    this ingredient-by-ingredient approach. But as discussed
    above, FIFRA allows an ingredient-by-ingredient approach.
    40 C.F.R. § 152.111.           For cases involving “active
    ingredient[s]” that have already been registered—like
    glyphosate—EPA need not perform a complete review of the
    data.
    Id. “Instead, the
    Agency will review the application
    using the criteria for conditional registration” under 7 U.S.C.
    § 136a(c)(7)(A) and (B),
    id., to determine
    whether the
    proposed use is “identical or substantially similar” to a prior
    use and whether the proposed use will “significantly increase
    the risk of any unreasonable adverse effect on the
    environment,” 7 U.S.C. § 136a(c)(7)(A).
    36       NAT’L FAMILY FARM COALITION V. USEPA
    Here, there is no such increase in the risk of unreasonable
    adverse effects because substantial evidence supports EPA’s
    conclusion that neither the initial 2014 registration of Enlist
    Duo—nor the subsequent approvals for new uses—will
    increase the overall use of glyphosate. That is because corn,
    cotton, and soybean crops have long been genetically
    engineered to be glyphosate resistant, meaning that the use
    of glyphosate on these crops was nearly ubiquitous before
    Enlist Duo was registered in 2014. Indeed, “during the 2010
    to 2014 period,” 80 to 85 percent of corn was “treated one or
    more times with glyphosate.” The same is true of soybean
    and cotton. During the same period, “approximately
    95 percent” of soybean was treated one or more times and
    between “75 and 90 percent” of cotton was sprayed with
    glyphosate at least once. Even absent Enlist Duo’s
    registration, therefore, farmers would continue to use
    glyphosate on these same crops. Thus, there was no
    increased risk of unreasonable adverse effects caused by
    glyphosate in approving Enlist Duo. 7
    This does not mean, of course, that new data about
    glyphosate will go unconsidered. If a proposed new use in a
    future registration will, unlike in this case, “significantly
    increase the risk of any unreasonable adverse effect on the
    environment,” EPA must consider those risks. 7 U.S.C.
    § 136a(c)(7)(A). Or, in the alternative, EPA can cancel a
    registration if it determines the pesticide “generally causes
    unreasonable adverse effects on the environment.” 7 U.S.C.
    7
    NRDC argues that, at a minimum, the 2015 and 2017 amendments
    to the 2014 registration increase the overall use of glyphosate because
    they allow for use in new states and on new crops. But this argument
    fails for the same reason discussed above. The 2015 and 2017
    amendments may increase the overall use of Enlist Duo relative to the
    2014 registration. But that does not mean these amendments will
    increase the overall use of glyphosate.
    NAT’L FAMILY FARM COALITION V. USEPA                      37
    § 136d(b). And if it does not do so, the “registration review”
    process serves as a backstop to ensure that pesticides do not
    remain registered once new data has shown them to be
    harmful to humans or the environment. 7 U.S.C. § 136a(g). 8
    3
    Third, NFFC Petitioners contend that EPA failed to
    properly consider 2,4-D’s volatility—that is, its tendency to
    evaporate into a gas and drift to non-target plants. Here, too,
    we disagree.
    In its 2014 and 2017 registration decisions, EPA
    concluded that the 2,4-D in Enlist Duo—a choline salt
    variety distinct from the 2,4-D used in many other pesticide
    products—exhibited lower volatility and off-site vapor drift
    than other registered forms of 2,4-D. EPA began with the
    “Ouse” laboratory study. The Ouse study was designed to
    examine the degree of visual damage or injury—like
    cupping of leaves or twisting of foliage—caused by
    exposure to vapors of 2,4-D. Soybean, tomato, grape, and
    cotton plants were exposed to varying doses of 2,4-D vapors
    for various lengths of time. Researchers then observed the
    level of visible injury each plant exhibited based on the dose
    administered.       Using the data gathered from these
    8
    NRDC also argues that EPA’s decision is unsupported by
    substantial evidence because once EPA determined in 2017 that there
    was “outstanding data” about 2,4-D that would preclude an
    unconditional registration, it was “barred from reissuing its earlier
    [unconditional] approvals for Enlist Duo.” But the 2017 license—which
    is the operative license approving Enlist Duo for use—approves Enlist
    Duo “conditionally” because of the “outstanding data.” So although
    EPA’s 2017 registration decision reissued its 2014 and 2015 decisions,
    it did not reissue an unconditional license for the uses of Enlist Duo
    approved in 2014 and 2015.
    38      NAT’L FAMILY FARM COALITION V. USEPA
    observations, the study concluded that grapes were the most
    sensitive to 2,4-D vapor, followed by cotton, tomatoes, and
    soybeans. Further, a “dose-response curve” indicated the
    level of visual plant injury that would occur at a particular
    dose.
    Recognizing that this study did not meet the regulatory
    measure for assessing plant damage—plant growth or
    survival—EPA relied on six publicly available studies that
    assessed the relationship between visual damage to plants
    and effects on plant growth and survival. According to these
    studies, for example, 20% visual damage to grape plants
    resulted in decreases in plant growth in grapes. Cotton and
    soybean had a much higher threshold. For those plants,
    visual damage between 35 and 66% resulted in decreases in
    plant growth and yield.
    EPA also relied on another vapor flux study called the
    “Havens” study. Plants were placed directly on fields and
    also 5 and 15 meters away from treated fields. Those fields
    were treated with a higher dose of 2,4-D than the label would
    allow, and researchers measured outward signs of damage to
    the plants. Only plants on treated fields showed growth or
    survival damage; even plants located within 5 meters of the
    treated fields did not.
    EPA used the most conservative estimates from this data
    to perform computer modeling. Specifically, EPA used the
    data’s finding that growth or survival occurred at statistically
    significant levels when there was a minimum of 20% visual
    plant damage and the dose-response curve from the Ouse
    study to find the dose level of 2,4-D that would produce 20%
    visual plant damage. That dose level was 1.9 ug/m3/hour—
    which measures the mass of pesticide in a cubic meter of air
    space to which an organism is exposed over a one-hour time
    period.
    NAT’L FAMILY FARM COALITION V. USEPA               39
    EPA then used this dose level to predict the air
    concentration of 2,4-D that would be expected at the edge of
    a field and various distances beyond. The results showed
    that the air concentrations of 2,4-D at the edge of a treated
    field were below 1.9 ug/m3/hour, the threshold for what
    might cause 20% of visual plant damage thereby affecting
    plant growth or survival. The model therefore predicted no
    adverse damages to plants off-field.
    EPA also relied on two additional data points. First, EPA
    performed AERSCREEN modeling, which assesses drift of
    wet and dry depositions of the pesticide. That modeling
    showed negligible risk. EPA also relied on atmospheric
    monitoring data showing that negligible amounts of 2,4-D
    were detected in rainwater samples and air samples. These
    data points provided further evidence to support EPA’s
    conclusion that the choline salt form of 2,4-D in Enlist Duo
    is less prone to volatilization than other forms of 2,4-D.
    NFFC Petitioners claim that EPA’s conclusion is based
    on the flawed underlying Ouse study, which EPA conceded
    was limited due to its methodology and “was not well-
    aligned with the 850.4150 protocol.” But using a limited
    study does not make EPA’s actions lacking in substantial
    evidence as long as EPA “acknowledge[s] the limitations”
    and does not “rely solely upon [the study’s] conclusions.”
    Cent. Ariz. Water Conservation Dist. v. EPA, 
    990 F.2d 1531
    ,
    1543 (9th Cir. 1993) (holding that EPA’s reliance on a
    “seriously flawed study” did not undermine EPA’s overall
    conclusions); see also Ctr. for Biological Diversity v. Esper,
    
    958 F.3d 895
    , 910–11 (9th Cir. 2020) (finding substantial
    evidence in support of a Department of Defense conclusion
    relying on studies the Department itself “criticized” as not
    “rigorous,” “extremely poorly-done,” and “not withstanding
    scientific scrutiny”).
    40       NAT’L FAMILY FARM COALITION V. USEPA
    NFFC Petitioners also argue that EPA requested a new
    study to replace the Ouse study but failed to wait for that new
    study before rendering its decision. Neither premise is
    correct. EPA did not request a “replacement” study. It
    recommended an additional study—that is, a “vapor-phase
    study with vegetative vigor endpoints” that would “further
    characterize the risk to plants from” exposure to 2,4-D
    vapor. EPA then relied on that study—the Havens study—
    in arriving at its conclusion about 2,4-D. 9
    NFFC Petitioners also criticize the studies EPA relied on
    in several other ways. We address each criticism in turn.
    First, NFFC Petitioners claim that the Ouse study is too
    different from the other six studies because the grape plants
    used in the six studies were of a different age and species
    than those used in the Ouse study. This difference matters,
    according to NFFC Petitioners, because the threshold level
    of harm for a plant is dependent on its species and growth
    stage. But Petitioners have not pointed to any record
    evidence showing that the species and age of the grape plants
    affected the validity of the six studies. Without such
    evidence, we cannot conclude that EPA lacked substantial
    evidence to support its conclusion.
    Second, NFFC Petitioners argue that EPA’s conclusion
    about a 20% visual damage threshold was contradicted by
    EPA scientists, who concluded that the damage threshold
    was actually 5%. But EPA did not contradict itself. EPA
    summarized the Ouse study’s conclusion that the harm
    9
    NFFC Petitioners claim the Havens study, which was a non-
    Guideline 850.4150-compliant field study, was not the study EPA
    requested. But EPA never requested that the recommended study
    comply with particular test guidelines or be performed in a laboratory.
    The Havens study was the requested study.
    NAT’L FAMILY FARM COALITION V. USEPA                41
    threshold was 5%. But then EPA analyzed additional data
    and determined that growth or survival occurred at
    statistically significant levels when 20% visual damage
    could be observed.
    Third, NFFC Petitioners posit that the six studies relied
    on by EPA do not satisfy the regulatory guidelines in the
    vegetative vigor test—which look to survival, height, and
    biomass—because the studies examine yield and growth,
    which are not endpoints listed in the guidelines. But EPA is
    not required to follow the regulatory guideline NFFC
    Petitioners cite. See OCSPP 850.4150, at i (Jan. 2012),
    (“[T]hese guidelines are not binding on either EPA or any
    outside parties, and the EPA may depart from the guidelines
    . . . .”). Moreover, the studies closely tracked the specific
    endpoints in the guidelines. Examining visual growth and
    yield directly addresses whether plants are growing (height
    and biomass) and flourishing (survival). EPA’s decision to
    rely on studies that do not precisely track a regulatory
    guideline therefore does not undermine its decision. EPA
    “may apply [its] expertise to draw conclusions from . . .
    probative preliminary data not yet certifiable as fact.” Cent.
    Ariz. 
    Water, 990 F.2d at 1543
    (internal quotation marks and
    citation omitted).
    Fourth, NFFC Petitioners argue EPA’s computer
    modeling considered field sizes much smaller than the
    average corn, cotton, or soybean field even though vapor
    drift increases with the size of a sprayed field. But
    Petitioners provide no reason why EPA could not extrapolate
    from its modeling. “The Administrator may apply his
    expertise to draw conclusions from . . . theoretical
    projections from imperfect data.” Cent. Ariz. 
    Water, 990 F.2d at 1543
    (internal quotation marks and citation
    omitted). Moreover, NFFC Petitioners’ argument ignores
    42        NAT’L FAMILY FARM COALITION V. USEPA
    the AERSCREEN modeling EPA performed, which
    provides further evidence supporting EPA’s volatilization
    conclusions.
    Ultimately, EPA’s evaluation of 2,4-D volatility
    probably could have been better. But it is not our role to
    second-guess EPA’s conclusion. Moreover, there is no
    evidence in the record that its conclusion was wrong.
    Petitioners do not suggest that, in the five-plus years since
    Enlist Duo was originally approved, their fears surrounding
    2,4-D volatility have materialized in the real world. 10 We
    therefore hold that a “reasonable mind might accept” the
    studies on which EPA relied “as adequate to support a
    conclusion” that the volatility of 2,4-D choline salt will not
    cause unreasonable adverse effects on the environment.
    Nanosilver 
    II, 857 F.3d at 1036
    (citation omitted).
    Accordingly, substantial evidence supports EPA’s findings.
    4
    Finally, NFFC Petitioners contend EPA should have
    accounted for the potential synergistic effect of mixing
    Enlist Duo with a different chemical called glufosinate.
    According to them, Dow intends to mix glufosinate with
    Enlist Duo.
    NFFC Petitioners’ concern about mixing Enlist Duo with
    glufosinate is speculative. Nothing in the record suggest that
    10
    NFFC Petitioners point to generic data on 2,4-D drift from the
    1970s through early 2000s. This data mainly addresses spray drift—not
    drift from volatilization—and does not address 2,4-D choline salt. Even
    assuming the data is relevant to volatility here, EPA was aware of the
    general risk of 2,4-D volatility. EPA nonetheless concluded, relying on
    the above studies, that the choline salt variety of 2,4-D was less prone to
    volatilization than other forms of 2,4-D.
    NAT’L FAMILY FARM COALITION V. USEPA                 43
    such mixing has occurred in the five-plus years since Enlist
    Duo was first registered. Indeed, EPA has stated that Enlist
    Duo cannot be tank-mixed with any product that has not
    been tested, approved, and listed on the website
    EnlistTankMix.com. And no product containing glufosinate
    is listed on that website. It is therefore currently unlawful to
    mix Enlist Duo with glufosinate.
    NFFC Petitioners point to Dow’s now-abandoned patent
    application, which claims synergism between 2,4-D and
    glufosinate, and notes that crops genetically engineered to
    withstand Enlist Duo are also designed to withstand
    glufosinate. But FIFRA only requires EPA to consider the
    uses of the pesticide contemplated by the label. See 7 U.S.C.
    § 136a(c)(5). That includes currently planned tank mixing.
    It does not include theoretical tank mixing—that is, tank
    mixing that might occur at a future date. NFFC Petitioners
    may separately challenge any future EPA final action
    approving this potential tank mixing.
    NFFC Petitioners argue that the current registration is its
    only opportunity to challenge the potential mixing of Enlist
    Duo and glufosinate as having an unreasonable adverse
    effect on the environment because the Enlist Duo label
    allows tank mixing to be approved as long as mixing is
    shown “not to adversely affect” “spray drift properties” and
    does not require testing on synergy. EPA’s decision not to
    require testing for potential synergy may appear to provide a
    loophole for ingredients to be mixed long after initial review.
    But this decision reflects EPA’s broader stance on synergy.
    Following the recommendation of the National Research
    Council, EPA “views synergism to be a rare event” and
    assumes that the components of pesticide products will not
    have “synergistic effects.” EPA’s assumption is not
    undermined by the limited evidence NFFC Petitioners cite
    44      NAT’L FAMILY FARM COALITION V. USEPA
    supposedly showing synergism between glufosinate and
    Enlist Duo. And nothing prevents a Petitioner from
    approaching the EPA with concerns about synergy in the
    future.
    Moreover, FIFRA does not prohibit EPA from
    undertaking review of a pesticide product whenever it
    becomes necessary. 7 U.S.C. § 136a(g). According to EPA,
    this “means that the Agency must continue to respond to
    emerging risk concerns and not defer action until a
    pesticide’s regularly scheduled registration review.”
    Pesticides; Procedural Regulations for Registration Review,
    70 Fed. Reg. 40,251-01, 40,270 (July 13, 2005). What’s
    more, EPA can cancel a registration, change a classification,
    or amend a label at any time if it determines that the
    registration, as constituted, “generally causes unreasonable
    adverse effects on the environment.” 7 U.S.C. § 136d(b).
    Finally, there are opportunities for NFFC Petitioners to
    provide input during the registration review process,
    40 C.F.R. §§ 155.25, 155.30, 155.42, which is currently
    ongoing for both 2,4-D and glyphosate. Petitioners’ claim
    that they have no remedy for potential future violations of
    FIFRA involving glufosinate therefore rings hollow.
    *   *    *
    Almost all of EPA’s registration decisions are supported
    by substantial evidence because the record evidence was of
    the type that “a reasonable mind might accept as adequate to
    support a conclusion even if it is possible to draw two
    inconsistent conclusions from the evidence.” Nanosilver 
    II, 857 F.3d at 1036
    (internal quotation marks and citation
    omitted). However, as discussed above, EPA failed to
    consider risks to monarch butterflies caused by the treatment
    of milkweed on target fields. As to FIFRA, therefore, we
    NAT’L FAMILY FARM COALITION V. USEPA                   45
    grant NRDC’s petition for review in part and deny it in part.
    We discuss the remedy for this partial grant below.
    IV
    To protect endangered or threatened species, the ESA
    sets forth legal requirements with which federal agencies
    must comply. See 16 U.S.C. § 1531. “Each Federal agency
    shall, in consultation with and with the assistance of the
    Secretary, insure that any action authorized, funded, or
    carried out by such agency” “is not likely to jeopardize the
    continued existence of any endangered species . . . or result
    in the destruction or adverse modification of habitat of such
    species.” 16 U.S.C. § 1536(a)(2).
    The ESA and its implementing regulations delineate a
    process—known as Section 7 consultation—for determining
    the biological impacts of a proposed action. 16 U.S.C.
    § 1536. The process starts with two possible roads, which
    turn on whether the proposed action will have “no effect” or
    if it “may affect” listed species or critical habitat. If a listed
    species is outside the proposed “[a]ction area”—that is, it
    will not be “affected directly or indirectly by the Federal
    action,” 50 C.F.R. § 402.02—it will, by definition, not be
    affected by the proposed action and consultation is not
    required. Similarly, if the action agency finds “that its action
    will have no effect on listed species or critical habitat” even
    within the “action area,” it need not consult with the expert
    agencies, FWS or the National Marine Fisheries Service
    (“NMFS”). California ex rel. Lockyer v. U.S. Dep’t of
    Agric., 
    575 F.3d 999
    , 1019 (9th Cir. 2009). If, however, the
    action agency’s proposed action “may affect”—that is,
    might have “[a]ny possible effect, whether beneficial,
    benign, adverse or of an undetermined character,” Karuk
    Tribe of Cal. v. U.S. Forest Serv., 
    681 F.3d 1006
    , 1027 (9th
    Cir. 2012) (internal quotation marks and citation omitted)—
    46      NAT’L FAMILY FARM COALITION V. USEPA
    on a “listed species or critical habitat,” consultation is
    required, 50 C.F.R. § 402.14(a). In determining whether to
    consult, the action agency must use “the best scientific and
    commercial data available.” 16 U.S.C. § 1536(a)(2).
    Consultation also arises in the context of “critical
    habitat” determinations. Under the ESA, “critical habitat” is
    “the specific areas within the geographical area occupied by
    the species . . . on which are found those physical or
    biological features (I) essential to the conservation of the
    species and (II) which may require special management
    considerations or protection.”
    Id. § 1532(5)(A)(i).
    “[C]ritical habitat” may also include “specific areas outside
    the geographical area occupied by the species,” but only
    “upon a determination by [the Services] that such areas are
    essential for the conservation of the species.”
    Id. § 1532(5)(A)(ii).
    In either case, the critical habitat must
    contain physical or biological features “essential” to the
    species,
    id. § 1532(5)(A)(i)–(ii)—features
    known as
    “primary constituent elements or PCEs,” Alaska Oil & Gas
    Ass’n v. Jewell, 
    815 F.3d 544
    , 555 (9th Cir. 2016) (internal
    quotation marks omitted) (citing 50 C.F.R. § 424.12(b)(5)).
    The consultation agencies define, by regulation, critical
    habitat and the corresponding PCEs for endangered species.
    16 U.S.C. § 1533(a)(3)(A); 50 C.F.R. § 17.95. The action
    agency’s role is to determine whether a proposed action
    modifies or affects these critical habitats. 16 U.S.C.
    § 1536(a)(2).
    Mitigation measures are frequently adopted as part of
    ESA compliance. E.g., Defs. of Wildlife v. Zinke, 
    856 F.3d 1248
    , 1258 (9th Cir. 2017). Such mitigation measures are
    permissible as long as they are the result of “specific and
    binding plans.”
    Id. (citation omitted).
    Mitigation measures
    must also be “reasonably certain to occur.” Nat’l Wildlife
    NAT’L FAMILY FARM COALITION V. USEPA                47
    Fed’n v. Nat’l Marine Fisheries Serv., 
    524 F.3d 917
    , 936
    n.17 (9th Cir. 2008); see also Sierra Club v. Marsh, 
    816 F.2d 1376
    , 1388 (9th Cir. 1987) (consultation should occur if
    “mitigation efforts” “have been delayed,” “may not take
    place at all,” or are otherwise ineffective), abrogated on
    other grounds as recognized in 
    Cottonwood, 789 F.3d at 1088
    –91.
    Because the ESA does not specify a standard of review,
    we review EPA’s compliance under the APA and uphold
    agency action unless it is arbitrary, capricious, an abuse of
    discretion, or contrary to law. Or. Nat. Res. Council v. Allen,
    
    476 F.3d 1031
    , 1036 (9th Cir. 2007); 5 U.S.C. § 706(2)(A).
    An agency decision is arbitrary or capricious “only if the
    agency relied on factors Congress did not intend it to
    consider, entirely failed to consider an important aspect of
    the problem, or offered an explanation that runs counter to
    the evidence before the agency or is so implausible that it
    could not be ascribed to a difference in view or the product
    of agency expertise.” Lands Council v. McNair, 
    629 F.3d 1070
    , 1074 (9th Cir. 2010) (internal quotation marks and
    citation omitted). Here, EPA’s “no effect” findings, decision
    about the scope of the “action area,” and “critical habitat”
    determinations survive this deferential review.
    A
    NFFC Petitioners primarily challenge EPA’s “no effect”
    findings for plants and animals as legally erroneous. We
    disagree.
    In making its “no effect” findings, EPA used “risk
    quotients” and interpretative “levels of concern” developed
    as part of compliance with FIFRA, but applied much more
    conservative assumptions.       The “risk quotients” are
    calculated by estimating the amount of exposure to the
    48      NAT’L FAMILY FARM COALITION V. USEPA
    pesticide. That estimate is then divided by established acute
    and chronic ecotoxicity levels for specific classes of plants
    and animals—for example, aquatic animals and terrestrial
    mammals and birds. The calculated risk quotient is then
    compared to EPA’s “levels of concern.” If the risk quotient
    does not exceed the “levels of concern,” EPA determines
    there will be “no effect” on the listed species. If, however,
    the risk quotient exceeds the “level of concern” for acute or
    chronic exposure, EPA conducts a refined, species-specific
    assessment before making a “no effect” finding.
    This methodology applies the correct legal standard.
    The “may affect” standard is only met—triggering
    consultation—if there is “[a]ny possible effect, whether
    beneficial, benign, adverse or of an undetermined character.”
    Karuk 
    Tribe, 681 F.3d at 1027
    (quoting 
    Lockyer, 575 F.3d at 1018
    (quoting Interagency Cooperation―Endangered
    Species Act of 1973, as Amended; Final Rule, 51 Fed. Reg.
    19,926, 19,949 (June 3, 1986))).           And EPA’s risk
    quotient/level of concern methodology found that there
    would be no such effects. True, EPA concluded that
    protected species and critical habitats would be exposed to
    potentially harmful chemicals. But it concluded that any
    such exposure would have “no effect” on listed species and
    habitats. EPA’s recognition of exposure is not a recognition
    that Enlist Duo “may affect” protected species and critical
    habitats. It is a recognition that EPA did what the ESA
    requires it to do: assess risks to determine whether the
    exposure would have “any possible effect.”
    Id. Our decision
    in Friends of Santa Clara River v. United
    States Army Corps of Engineers supports this conclusion.
    
    887 F.3d 906
    , 915, 925–26 (9th Cir. 2018). In that case,
    steelhead salmon would be exposed to copper concentrations
    as a result of the discharge of dredged or fill material in the
    NAT’L FAMILY FARM COALITION V. USEPA                 49
    Santa Clara River.
    Id. at 910,
    914–15. But that did not mean
    the relevant agency was required to consult with NMFS.
    Id. at 915,
    924–26. Instead, the agency could reach its own “no
    effect” conclusion—that the amount of copper to which the
    salmon would be exposed was within a normal range—
    without consultation.
    Id. at 925–26.
    EPA’s conclusions
    here—which recognize potential exposure but nonetheless
    conclude there will be “no effect”—are no different.
    This conclusion is not altered by the fact that EPA’s
    preliminary risk assessments—which relied on conservative
    assumptions—found a chance that Enlist Duo “may affect”
    hundreds of protected species. Those assessments were just
    that—preliminary. EPA did a more refined, species-specific
    assessment for the species initially believed to be at risk.
    After that assessment, EPA concluded that none of the
    species believed to be at risk after the initial assessment were
    in fact at risk. EPA therefore made “no effect” findings for
    those species. Nothing about this iterative process suggests
    EPA’s ultimate “no effect” findings were arbitrary,
    capricious, or contrary to law.
    Nor did EPA’s adoption of mitigation measures,
    including a 30-foot downwind buffer and certain label
    restrictions, to reach a “no effect” finding as to plants and
    animals off the treated field render EPA’s conclusions
    arbitrary, capricious, or contrary to law. Mitigation
    measures are frequently adopted to avoid effects on listed
    species or habitats. See Ctr. for Biological Diversity v. U.S.
    Dep’t of Interior, 
    563 F.3d 466
    , 482 (D.C. Cir. 2009) (noting
    that “satisfaction of the ESA mandate that no endangered life
    be jeopardized must be measured in view of the full
    contingent of . . . checks and balances and all mitigating
    measures adopted in pursuance thereof” (internal quotation
    marks and citation omitted)).
    50      NAT’L FAMILY FARM COALITION V. USEPA
    To be sure, mitigation measures that merely “reduce,”
    but cannot scientifically “eliminate” an “effect” probably
    compel a “may affect” finding. Karuk 
    Tribe, 681 F.3d at 1028
    . In Karuk Tribe, gold miners argued that mitigation
    measures taken by the action agency showed that there
    would be “no effect” on threatened species although the
    agency never made a “no effect” finding.
    Id. We held
    that
    the mitigation measures “cut[] against” a “no effect” finding
    because they merely “reduce[d]” but could “not eliminate”
    the impact to threatened species.
    Id. Here, by
    contrast, EPA was able to rule out any effect on
    plants and species off the treated field in partial reliance on
    mitigation measures. EPA applied the correct legal standard
    and supported its conclusions, as discussed in greater detail
    below. Under these circumstances, EPA’s use of mitigation
    measures is not evidence of a required “may affect” finding
    as in Karuk Tribe. Instead, the mitigation measures are
    reasonable under the ESA when they are, like the label
    restrictions here, “specific and binding plans.” E.g., Defs. of
    
    Wildlife, 856 F.3d at 1258
    ; see also Selkirk Conservation All.
    v. Forsgren, 
    336 F.3d 944
    , 954–56 (9th Cir. 2003).
    Nor did EPA’s use of the risk quotient/level of concern
    methodology for its ESA analysis violate its statutory duty
    to “use the best scientific and commercial data available.”
    16 U.S.C. § 1536(a)(2). The purpose of this requirement “is
    to ensure that the ESA not be implemented haphazardly, on
    the basis of speculation or surmise.” 
    Bennett, 520 U.S. at 176
    . Under this standard, the agency must not “disregard
    available scientific evidence that is in some way better than
    the evidence it relies on.” San Luis & Delta-Mendota Water
    Auth. v. Locke, 
    776 F.3d 971
    , 995 (9th Cir. 2014) (alterations
    adopted and citation omitted). “On the other hand, where
    the information is not readily available, we cannot insist on
    NAT’L FAMILY FARM COALITION V. USEPA               51
    perfection.” San Luis & Delta-Mendota Water Auth. v.
    Jewell, 
    747 F.3d 581
    , 602 (9th Cir. 2014). As a result, the
    standard does not “require an agency to conduct new tests or
    make decisions on data that does not yet exist.” 
    Locke, 776 F.3d at 995
    . Nor does it allow us to second guess the
    agency’s decisions using our own judgment. Because “what
    constitutes the best scientific and commercial data available
    is itself a scientific determination,”
    id., it “belongs
    to the
    agency’s special expertise and warrants substantial
    deference,” Santa Clara 
    River, 887 F.3d at 924
    (internal
    quotation marks and citation omitted). A court should
    therefore “be especially wary of overturning such a
    determination on review.” 
    Locke, 776 F.3d at 995
    (citation
    omitted).
    We cannot overturn EPA’s scientific determination here.
    True, a 2013 National Academy of Sciences (“NAS”) report
    called the risk quotient/levels of concern methodology relied
    on by EPA “not scientifically defensible” if the goal “is to
    base a decision on the probabilities of various possible
    outcomes.” NAS also recommended that EPA adopt a
    “probabilistic approach” to assessing risk to endangered
    species. But that same report recognized that the data
    needed to adopt the recommended approach was not readily
    available. Instead, EPA would be required to generate new
    data, a process that would require the “integration of the
    uncertainties (from sampling, natural variability, lack of
    knowledge, and measurement and model error) into the
    exposure and effects analyses by using probability
    distributions.”     Those distributions would then be
    “integrated mathematically to calculate the risk as a
    probability.” In short, this new process and generation of
    data would require a “transition” that could use some
    available scholarship as a model, but would nonetheless
    involve significant changes to EPA’s risk quotient/level of
    52        NAT’L FAMILY FARM COALITION V. USEPA
    concern approach and the data on which EPA relied. That is
    why NAS expressly recognized that EPA would not be able
    to begin implementation of the new approach on many
    pesticide registrations immediately.
    EPA therefore did not reject better data that was “readily
    available” in registering Enlist Duo using the risk
    quotient/level of concern approach. 
    Jewell, 747 F.3d at 602
    .
    Instead, it elected to continue applying that approach while
    it put a system in place to use NAS’s proposed approach, as
    set forth in the Interim Report to Congress EPA and the
    consultation agencies sent to Congress in November 2014. 11
    In that Report, EPA and the consultation agencies agreed
    that they would implement NAS’s proposed approach in
    stages. EPA and the consultation agencies agreed that
    NAS’s proposal would not be applied to all pesticide
    registration decisions, including specifically the registration
    of Enlist Duo. Instead, the agencies elected to focus
    application of NAS’s new methodology on pesticides that
    were at the time subject to nationwide litigation. The
    agencies also highlighted their efforts to implement the new
    approach up until the Report was submitted.
    EPA and the consultation agencies therefore specifically
    agreed that the risk quotient/levels of concern approach
    could be used for the registration process for Enlist Duo
    while EPA began implementing NAS’s new approach. EPA
    and the consultation agencies noted that the risk
    quotient/level of concern approach was “highly
    11
    Although the Interim Report is not in the administrative record,
    we can consider it “for the limited purpose[] of reviewing [Petitioners’]
    ESA claim.” W. Watersheds Project v. Kraayenbrink, 
    632 F.3d 472
    , 497
    (9th Cir. 2011).
    NAT’L FAMILY FARM COALITION V. USEPA                      53
    conservative” and “will be protective of non-target species,
    including endangered species.”
    This interagency agreement does not absolve EPA of its
    duty to “use the best scientific and commercial data
    available.” 16 U.S.C. § 1536(a)(2). But it does show that
    EPA’s actions in implementing NAS’s proposed approach
    have been reasonable and protective of endangered species.
    After all, the consultation agencies EPA would have been
    required to consult had there been a “may affect” finding
    have recognized as much. Ultimately, however, we ground
    our decision in the fact that the best-scientific-data-available
    requirement “does not require the agency to conduct new
    tests or make decisions on data that does not yet exist.” Ctr.
    for Biological Diversity v. U.S. Fish & Wildlife Serv.,
    
    807 F.3d 1031
    , 1047 (9th Cir. 2015) (internal quotation
    marks and citation omitted). EPA’s determination that this
    well-established rule applied here is ultimately a scientific
    judgment that we will not overturn. See 
    Locke, 776 F.3d at 995
    . 12 It is also one we do not expect to reoccur given
    EPA’s commitment to gather the data necessary to
    implement NAS’s new methodology going forward.
    Finally, we are not persuaded that EPA’s “no effect”
    conclusions are rendered arbitrary, capricious, or contrary to
    law because EPA relied in part on the 1993 Wildlife
    Exposure Factors Handbook. EPA relied on the 1993
    Handbook for its ESA level assessment to measure how 2,4-
    12
    NFFC Petitioners and the dissent focus in large part on the NAS
    approach being a superior methodology. But the statutory requirement
    EPA must comply with is about using the “best scientific and
    commercial data available.” 16 U.S.C. § 1536(a)(2) (emphasis added).
    That is why we have focused on whether the data EPA needed was
    available—not whether the NAS methodology is superior to the one EPA
    used.
    54        NAT’L FAMILY FARM COALITION V. USEPA
    D within Enlist Duo might affect protected species’ food and
    water consumption within the action area. According to
    NFFC Petitioners, that 1993 Handbook is not the “best
    scientific and commercial data available,” 16 U.S.C.
    § 1536(a)(2), because it was intended only for screening
    assessments—not ESA level risk assessments—and never
    mentions several of the protected species at issue.
    But again, “[t]he determination of what constitutes the
    best scientific data available belongs to the agency’s special
    expertise and warrants substantial deference.” Santa Clara
    
    River, 887 F.3d at 924
    (internal quotation marks and citation
    omitted). Such deference is warranted for two reasons.
    First, the Handbook appears to contemplate EPA’s
    approach. To be sure, some portions of the Handbook
    suggest it is intended for “screening-level risk assessments.”
    But other portions acknowledge it should be used in support
    of “assessments for species of concern in a risk assessment,”
    like the one here, for “endangered and threatened species.”
    Second, although the Handbook does not include
    consumption rates for some of the species at issue, it allows
    for the use of equations to calculate the consumption rates of
    species for which no measurement exists. And EPA used
    these equations here. EPA therefore did not act arbitrarily in
    partially relying on the 1993 Handbook to make “no effect”
    findings. 13
    13
    NFFC Petitioners argue for the first time in their supplemental
    briefs that EPA was required to perform an ESA-level analysis and make
    “no effect” findings for glyphosate as well. We decline to address this
    argument because it was not raised in Petitioners’ initial opening brief
    even though it was directly relevant to the 2017 registration decision.
    See 
    Martinez-Serrano, 94 F.3d at 1259
    –60.
    NAT’L FAMILY FARM COALITION V. USEPA                       55
    B
    NFFC Petitioners also argue that EPA’s rationale for
    limiting the “action area” to the treated field was not sound.
    We accord deference to EPA in the way it chose to define
    the action area. See Friends of the Wild Swan v. Weber,
    
    767 F.3d 936
    , 950 (9th Cir. 2014) (“The choice of
    appropriate action areas requires application of scientific
    methodology and, as such, is within the agency’s
    discretion.” (internal quotation marks and citation omitted)).
    NFFC Petitioners first argue that because 2,4-D is known
    to drift beyond treated fields, the “action area”—that is, the
    area “to be affected directly or indirectly by the Federal
    action,” 50 C.F.R. § 402.02—cannot be limited to the treated
    fields. But EPA accounted for this risk as to spray drift by
    including the mitigation measure of a 30-foot buffer zone
    and other label restrictions, including a prohibition on aerial
    application and specific nozzle, temperature, and wind speed
    requirements. And its decision to impose these measures
    was not based on a mere “assumption that spray drift will
    stop at field boundaries” as long as those measures were in
    place. EPA performed its own evaluation of the risk of spray
    drift using “empirical data” that measured spray drift
    deposition rates when Enlist Duo was used according to its
    label restrictions. EPA then compared this data to its effect
    thresholds for plants and animals off the treated field and
    concluded that any exposure to Enlist Duo off the treated
    field would “be below effects thresholds.” 14
    14
    To the extent NFFC Petitioners argue that EPA only made “no
    adverse damage”—not “no effect”—findings with respect to volatility,
    they are wrong. EPA specifically found, based on “spray drift mitigation
    label requirements and analyses of volatility and runoff loadings” that
    56        NAT’L FAMILY FARM COALITION V. USEPA
    EPA did not violate the “no effect” standard in
    performing this analysis. As discussed above, a recognition
    of “exposure” is not the same as a recognition of an “effect.”
    Nor is the use of mitigation measures like label restrictions
    legally erroneous, as long as the measures themselves are not
    arbitrary or capricious. See 
    Marsh, 816 F.2d at 1388
    (consultation should occur if “mitigation efforts” “have been
    delayed,” “may not take place at all,” or are otherwise
    ineffective). No such error is evident here. EPA had good—
    and science-based—reasons for limiting the action area to
    the treated field. And NFFC Petitioners have not pointed to
    any record evidence—such as data undermining EPA’s
    scientific conclusion or showing that mitigation measures
    are not working—suggesting that the mitigation measures
    EPA selected are not “specific and binding” and “reasonably
    certain to occur.” Nat’l Wildlife 
    Fed’n, 524 F.3d at 936
    n.17;
    see also Managed Pharmacy Care v. Sebelius, 
    716 F.3d 1235
    , 1244 (9th Cir. 2013) (placing the burden on the party
    challenging agency action to show that the action was
    arbitrary, capricious, an abuse of discretion, or contrary to
    law). 15 We therefore cannot conclude there is not “a rational
    connection between the facts [EPA] found and the choices
    “any risks of effects to non-target organisms will be confined to the
    treated field.”
    15
    Petitioners’ argument that EPA failed to consider whether ESA-
    protected plants and animals off the treated field would be indirectly
    affected by the on-field treatment is not persuasive for a similar reason.
    EPA considered indirect effects and Petitioners have not cited any
    evidence contradicting EPA’s conclusions.
    NAT’L FAMILY FARM COALITION V. USEPA                       57
    [it] made.” Arrington v. Daniels, 
    516 F.3d 1106
    , 1112 (9th
    Cir. 2008) (internal quotation marks and citation omitted).16
    C
    Finally, NFFC Petitioners argue EPA violated its duty to
    insure no “adverse modification” of “critical habitat” by
    relying on its 2016 risk assessment. EPA used an iterative
    approach to make this determination. First, EPA determined
    that critical habitats had been designated for 184 of the 531
    species in the states proposed for Enlist Duo registration.
    EPA then determined that because 176 of those species were
    not found on corn, cotton, or soybean fields, Enlist Duo’s
    registration would not modify their critical habitats or any
    PCEs.      That left eight species with critical habitat
    designations that did use corn, cotton, or soybean fields.
    EPA then considered whether Enlist Duo “may affect” those
    eight species or their PCEs. Because none of those eight
    species’ critical habitats contained PCEs “related to
    agriculture,” EPA concluded that there would be no
    “modification” to their critical habitats.
    This methodology did not misapply the “may affect”
    standard as to critical habitats. EPA explicitly considered
    whether there would be any effect on “one or more of the
    16
    Petitioners’ claims of error as to the whooping crane and Indiana
    bat—which rely on outdated species-specific analysis and selective
    quotation of the record—are based largely on arguments we have already
    rejected. EPA’s recognition that the whooping crane and Indiana bat
    would be exposed to Enlist Duo did not necessitate a “may affect”
    finding because exposure is not the same thing as effect. And EPA’s
    statements about the whooping crane and Indiana bat in its preliminary
    assessment are irrelevant because EPA subsequently performed a
    species-specific assessment to make its “no effect” finding. EPA’s
    analysis about these two species was technically sound. It was neither
    arbitrary, capricious, nor contrary to law.
    58      NAT’L FAMILY FARM COALITION V. USEPA
    designated PCEs,” as required by the statute. 16 U.S.C.
    § 1532(5)(A). True, EPA at times used the word “modify”
    instead of “effect,” but EPA was using “modify” as a
    synonym for “effect” because EPA used both words
    interchangeably in its analysis.
    We likewise reject NFFC Petitioner’s argument that
    EPA erred by only considering species who use corn, cotton,
    or soybean fields. As discussed above, EPA reasonably
    concluded there would be no effect outside of the treated
    field and limited the action area accordingly. By extension,
    it was not unreasonable for EPA to consider only species
    who use corn, cotton, or soybean in assessing effect on
    critical habitat. 16 U.S.C. § 1532(5)(A)(i), (ii) (“critical
    habitat” includes the “geographical area occupied by the
    species” unless additional areas are designated by the
    consultation agencies).
    Nor are we persuaded that EPA’s PCE conclusions are
    contradicted by the record as to the Virginia big-eared bat
    and the whooping crane. According to NFFC Petitioners,
    EPA’s conclusion that there were no PCEs “related to
    agriculture” for those two species cannot be right because
    EPA explicitly recognized that there are PCEs “related to
    agriculture” in a table attached to its 2016 risk assessment.
    But regardless of EPA’s notations, no PCEs have been
    designated by the consultation agencies for the Virginia big-
    eared bat or the whooping crane. 50 C.F.R. § 17.95-a-
    Mammals (listing critical habitat and PCEs for protected
    species without including any PCEs for the Virginia big-
    eared bat); 50 C.F.R. § 17.95-b-Birds-Part 1 (same for the
    whooping crane). Any contradiction by EPA as to whether
    these species have PCEs related to agriculture is thus legally
    irrelevant.
    *    *   *
    NAT’L FAMILY FARM COALITION V. USEPA               59
    In its ESA analysis, EPA did not “rel[y] on factors
    Congress did not intend it to consider, entirely fail[] to
    consider an important aspect of the problem, or offer[] an
    explanation that runs counter to the evidence before the
    agency or is so implausible that it could not be ascribed to a
    difference in view or the product of agency expertise.”
    League of Wilderness Defs. Blue Mountains Biodiversity
    Project v. Allen, 
    615 F.3d 1122
    , 1130 (9th Cir. 2010)
    (internal quotation marks and citation omitted). EPA
    therefore did not violate the ESA in registering Enlist Duo.
    V
    Having found error in EPA’s registration decisions under
    FIFRA, we now analyze the remedy. “Whether agency
    action should be vacated depends on how serious the
    agency’s errors are and the disruptive consequences of an
    interim change that may itself be changed.” Cal. Cmtys.
    Against Toxics v. EPA, 
    688 F.3d 989
    , 992 (9th Cir. 2012)
    (internal quotation marks and citation omitted). We also
    look to “whether the agency would likely be able to offer
    better reasoning or whether by complying with procedural
    rules, it could adopt the same rule on remand, or whether
    such fundamental flaws in the agency’s decision make it
    unlikely that the same rule would be adopted on remand.”
    Pollinator Stewardship Council v. EPA, 
    806 F.3d 520
    , 532
    (9th Cir. 2015). Finally, we “consider whether vacating a
    faulty rule could result in possible environmental harm.”
    Id. Here, remand
    without vacatur is warranted. EPA’s
    error—failing to consider harm to monarch butterflies
    caused by killing target milkweed—is not “serious,” Cal.
    
    Cmtys., 688 F.3d at 992
    , especially in light of EPA’s full
    compliance with the ESA and substantial compliance with
    FIFRA. Moreover, given the technical nature of EPA’s
    error, EPA will “likely be able to offer better reasoning” and
    60      NAT’L FAMILY FARM COALITION V. USEPA
    “adopt the same rule on remand.” 
    Pollinator, 806 F.3d at 532
    .      Thus, regardless of how “disruptive” the
    consequences of vacatur would be, Cal. 
    Cmtys., 688 F.3d at 992
    (citation omitted)—and there is evidence of
    potentially serious disruption if a pesticide that has been
    registered for over five years can no longer be used—vacatur
    would not be warranted. We therefore remand without
    vacatur so EPA can address the evidence that monarch
    butterflies may be harmed by the destruction of milkweed on
    target fields in determining whether the registration of Enlist
    Duo will lead to any “unreasonable adverse effect” on the
    environment. We “expect and urge EPA to move promptly
    on remand.” EME Homer City Generation, L.P. v. EPA,
    
    795 F.3d 118
    , 132 (D.C. Cir. 2015); cf. In re Core
    Commc’ns, Inc., 
    531 F.3d 849
    , 862 (D.C. Cir. 2008)
    (Griffith, J., concurring) (“Remand without vacatur is
    common . . . [b]ut experience suggests that this remedy
    sometimes invites agency indifference.” (citation omitted)).
    VI
    NFFC Petitioners’ petition for review is DENIED.
    Petitioner NRDC’s petition for review is GRANTED in
    part and DENIED in part. The case is REMANDED
    WITHOUT VACATUR.
    R. NELSON, Circuit Judge, concurring:
    We have addressed venue and standing to ensure that we
    have jurisdiction over one petitioner for each petition. Here,
    the interplay between FIFRA’s venue provision and Article
    III standing does not make a difference because, for each
    petition, one petitioner over which venue is proper has also
    demonstrated standing. I write separately, however, to
    NAT’L FAMILY FARM COALITION V. USEPA                        61
    address how the interplay of FIFRA’s venue provision and
    standing could make a difference in a future case.
    Under FIFRA’s venue provision, “any person who will
    be adversely affected by [a pesticide registration] order and
    who had been a party to the proceedings may obtain judicial
    review by filing in the United States court of appeals for the
    circuit wherein such person resides or has a place of
    business.” 7 U.S.C. § 136n(b). “Person,” as used in FIFRA,
    “means any individual, partnership, association, corporation,
    or any organized group of persons whether incorporated or
    not.”
    Id. § 136(s).
    1 Here, three of the NFFC Petitioners
    (National Family Farm Coalition, Family Farm Defenders,
    and Beyond Pesticides) do not “reside” or “have a place of
    business” in the Ninth Circuit and three do (Center for Food
    Safety (“CFS”), Center for Biological Diversity (“CBD”),
    and Pesticide Action Network North America (“PANNA”).
    As I read the statute, this means venue is not proper as to
    the first three petitioners. Nothing in FIFRA’s venue
    provisions suggests Congress intended venue to be analyzed
    petition-by-petition. To the contrary, the provision’s use of
    the singular noun “person” and definition of that word in a
    way that requires individual analysis suggests venue should
    be analyzed on a petitioner-by-petitioner basis. I therefore
    read the statute as requiring us to analyze venue on an
    individual basis, even if multiple petitioners join one
    petition.
    Id. §§ 136n(b),
    (s).
    1
    Venue should be addressed before standing because venue is, like
    forum non conveniens, a nonmerits issue that “den[ies] audience to a case
    on the merits” without assuming “substantive law-declaring power.” See
    Sinochem Int’l Co. v. Malay. Int’l Shipping Corp., 
    549 U.S. 422
    , 432–
    33 (2007) (internal quotation marks omitted).
    62      NAT’L FAMILY FARM COALITION V. USEPA
    This reading of the statute is consistent with 28 U.S.C.
    § 2112(a)(1)–(5), cited in 7 U.S.C. § 136n, which recognizes
    that petitions for review may be filed in multiple courts of
    appeal.
    Id. If that
    happens, one of two things occurs. If
    petitions for review are filed in “at least two courts of
    appeals” “within ten days after issuance of the” relevant
    order, a lottery before the judicial panel on multidistrict
    litigation is triggered, through which one court of appeals is
    designated to adjudicate all of the petitions.
    Id. § 2112(a)(1),
    (a)(3). If, however, a petition for review is filed in only one
    court of appeals within ten days, or, if multiple petitions for
    review are filed more than ten days after the order, the
    administrative record is filed in the court where the first
    petition for review was filed.
    Id. § 2112(a)(1).
    Any
    subsequent petitions “shall [be] transfer[red] . . . to the court
    in which the record [was] filed.”
    Id. § 2112(a)(5).
    The court
    of appeals where the administrative record is filed then
    becomes the court with “exclusive jurisdiction to affirm or
    set aside the order complained of in whole or in part.”
    7 U.S.C. § 136n(b); see also Remington Lodging & Hosp.,
    LLC v. NLRB, 
    747 F.3d 903
    , 904 (D.C. Cir. 2014)
    (describing the lottery provision).
    This process would be circumvented if all petitioners
    could join a single petition in the same circuit, regardless of
    whether each petitioner had proper venue. The Tenth Circuit
    reached the same conclusion in a case involving a similar
    venue statute under the Natural Gas Act. See Amerada
    Petroleum Corp. v. Fed. Power Comm’n, 
    338 F.2d 808
    , 810
    (10th Cir. 1964). In that case, six corporations and four
    individuals filed a “joint petition” for review of a Federal
    Power Commission order in the Tenth Circuit even though
    only one of those petitioners did business or resided in the
    Tenth Circuit.
    Id. at 809.
    Relying on 28 U.S.C. § 2112, the
    Tenth Circuit held that the proper procedural step was for
    NAT’L FAMILY FARM COALITION V. USEPA              63
    each petitioner to file in the proper venue, so that
    proceedings could be consolidated in one circuit.
    Id. at 810;
    see also Fed. Power Comm’n v. Texaco, Inc., 
    377 U.S. 33
    ,
    39 (1964) (dismissing one of two petitions for review
    because one petitioner did not have its principal place of
    business within the circuit where the petition was filed);
    Dalton Trucking, Inc. v. EPA, 
    808 F.3d 875
    , 878–82 (D.C.
    Cir. 2015) (dismissing petition for review filed in D.C.
    Circuit for failure to satisfy Clean Air Act’s venue
    provision).
    Whether FIFRA requires an individualized venue
    analysis becomes important when there are joint petitioners,
    only some of whom can show proper venue and Article III
    standing. In this case, one NFFC Petitioner—CFS—
    “resides or has a place of business” in the Ninth Circuit,
    7 U.S.C. § 136n(b), and submitted sufficient proof to satisfy
    the requirements of Article III, as discussed in the majority
    opinion, Majority Op. at 15, 16–17. But that will not always
    happen. By way of example, one of the other two NFFC
    Petitioners with proper venue here—CBD—would not have
    satisfied Article III standing with respect to NFFC
    Petitioners’ FIFRA claims. That is so because the interests
    asserted by CBD’s members relate exclusively to the ESA—
    not FIFRA. So CBD did not show that FIFRA is the statute
    “designed to protect” the “threatened concrete interest[s]”
    that CBD asserts. Salmon Spawning & Recovery All. v.
    Gutierrez, 
    545 F.3d 1220
    , 1225 (9th Cir. 2008) (internal
    quotation marks omitted).
    And PANNA would not have satisfied Article III’s
    standing requirements with respect to either claim advanced
    in the NFFC Petition. PANNA’s lone declaration does not
    include any statements “establishing that at least one
    identified member ha[s] suffered or would suffer harm.”
    64      NAT’L FAMILY FARM COALITION V. USEPA
    Summers v. Earth Island Inst., 
    555 U.S. 488
    , 498 (2009).
    Instead, it generally asserts that PANNA’s members will be
    adversely affected by the registration of Enlist Duo. This
    generalized harm is not enough to establish injury in fact for
    purposes of associational standing.        Associated Gen.
    Contractors of Am., Inc. v. Cal. Dep’t of Transp., 
    713 F.3d 1187
    , 1194–95 (9th Cir. 2013) (dismissing appeal for lack of
    standing because plaintiff did not “submit[] declarations by
    any of its members attesting to harm they have suffered or
    will suffer” under the challenged program).
    What happens, then, if venue is proper as to some
    petitioners, but only a petitioner without proper venue
    satisfies the requirements for Article III standing? In my
    view, the petition for review should be dismissed. I therefore
    believe that future panels should closely scrutinize both
    venue and Article III standing in FIFRA cases to ensure that
    both requirements are met.
    WATFORD, Circuit Judge, dissenting:
    I agree with my colleagues that we have jurisdiction to
    review the petitioners’ challenges and that the
    Environmental Protection Agency (EPA) violated the
    Federal Insecticide, Fungicide, and Rodenticide Act by
    failing to assess the impact that Enlist Duo’s use will have
    on monarch butterflies. But in my view, EPA also violated
    the Endangered Species Act by failing to use the best
    scientific data available to assess whether Enlist Duo will
    adversely affect threatened or endangered species. For that
    reason, I would vacate the 2014 and 2017 registrations under
    review.
    NAT’L FAMILY FARM COALITION V. USEPA                     65
    The Endangered Species Act and its implementing
    regulations require EPA to determine whether registering a
    pesticide for use “may affect” any species listed as
    threatened or endangered. 16 U.S.C. § 1536(a)(2); 50 C.F.R.
    § 402.14(a). If registering the pesticide for use may affect
    one or more listed species, EPA must then consult with
    expert wildlife agencies to ensure that its action is not likely
    to jeopardize the continued existence of any such species.
    16 U.S.C. § 1536(a)(2). In making its threshold “may
    affect” determination, EPA must, in the words of the statute,
    “use the best scientific and commercial data available.”
    Id. EPA did
    not comply with that statutory mandate here
    because the method it used to assess Enlist Duo’s effects on
    listed species is scientifically unsound.
    To evaluate the risks that Enlist Duo poses to listed
    species, EPA applied the “risk quotient” method, an
    approach that integrates exposure and toxicity data using
    single-point estimates. When EPA calculates risk quotients,
    it divides a single-point estimate of the maximum amount of
    a pesticide to which a species might be exposed by a single-
    point estimate of the minimum amount of that pesticide
    expected to adversely affect the species. In theory, the
    higher the resulting number, the higher the purported risk.
    But as the National Academy of Sciences explained in a
    2013 report—issued in response to EPA’s own request for
    advice on the subject—the risk quotient method does not
    “estimate risk” at all. National Research Council of the
    National Academies, Assessing Risks to Endangered and
    Threatened Species From Pesticides 149 (2013). 1 It
    1
    The report is available at: https://www.nap.edu/catalog/18344/
    assessing-risks-to-endangered-and-threatened-species-from-pesticides
    [https://perma.cc/M7V3-AYEL].
    66      NAT’L FAMILY FARM COALITION V. USEPA
    “provides no information about the probability of an adverse
    effect” because single-point estimates do not account for the
    full range of possible exposure scenarios.
    Id. at 149–50.
    What’s more, risk quotients may not even reflect the worst-
    case scenario, despite EPA’s attempt to maximize the
    numerator and minimize the denominator in the equation.
    That is because the underlying data on which EPA relies to
    calculate the numerator and denominator includes single-
    point estimates of uncertainties.
    Id. If EPA
    gets those
    single-point estimates wrong, the ultimate risk quotient
    could underestimate risk and EPA would never know it.
    Id. Thus, even
    if EPA uses conservative thresholds to assess
    whether a particular risk quotient is high enough to warrant
    consulting with the expert wildlife agencies, that
    precautionary measure will not offset the method’s
    fundamental flaws. No matter how conservative its
    thresholds, EPA will still be interpreting an unreliable metric
    of risk. See
    id. In light
    of these observations, the Academy concluded
    that risk quotients “are not scientifically defensible for
    assessing the risks to listed species posed by pesticides or
    indeed for any application in which the desire is to base a
    decision on the probabilities of various possible outcomes.”
    Id. at 15.
    The Academy further concluded that adoption of
    an alternative methodology entirely—one that actually
    measures probabilities—is the only way to achieve
    “realistic, objective estimates of risk.”
    Id. And though
    the
    Academy recognized that EPA would not be able to
    implement probabilistic methods overnight, it reiterated that
    EPA’s current approach to risk assessments is “not
    appropriate.”
    Id. at 150,
    152.
    EPA does not dispute the Academy’s scientific
    conclusions. Nor has EPA made any attempt to justify, on a
    NAT’L FAMILY FARM COALITION V. USEPA                  67
    scientific basis, its continued reliance on the risk quotient
    method. Instead, EPA simply highlights its use of
    conservative assumptions—without addressing the
    Academy’s criticisms of such assumptions—and points to
    practical reasons for adhering to its risk quotient approach.
    Specifically, EPA emphasizes the administrative burdens of
    applying the probabilistic method to all pesticide registration
    decisions, and explains that it will use risk quotients to assess
    Enlist Duo’s effects until it allocates the necessary resources
    to switch methodologies. That approach is permissible, EPA
    contends, because the wildlife consultation agencies have
    agreed that EPA can implement the Academy’s
    recommendations in stages. But it should go without saying
    that neither pragmatic concerns nor an interagency
    agreement can absolve EPA of its statutory obligation to use
    the best scientific data available. Rather, EPA must apply
    its scientific expertise to identify and use data that meets the
    statutory standard. See Conservation Congress v. Finley,
    
    774 F.3d 611
    , 620 (9th Cir. 2014). EPA failed to do so here.
    The majority nonetheless upholds EPA’s use of the risk
    quotient method for making “may affect” determinations. In
    the majority’s view, an agency does not violate its statutory
    obligation to use the best scientific data available unless it
    rejects better existing data. Because probabilistic data for
    Enlist Duo was not available at the time EPA conducted its
    analysis, the majority concludes that EPA fulfilled its
    statutory duty by using the data it already possessed,
    however unreliable that data may have been.
    In reaching this outcome, the majority has created a new
    rule with serious implications. Following today’s decision,
    an agency may rely on data produced by a scientifically
    indefensible methodology so long as better data, produced
    by a methodology that is scientifically defensible, has not yet
    68      NAT’L FAMILY FARM COALITION V. USEPA
    been generated. Because courts in our circuit must now
    accept that fundamentally flawed data as the “best” scientific
    data available, the agency will have no incentive to
    implement the scientific methods necessary to obtain
    reliable data. That is not what Congress intended when it
    required EPA and other federal agencies to use the best
    scientific data available, and it is certainly not the outcome
    that our cases demand.
    The purpose of the “best scientific data available”
    requirement is to “ensure that the [Endangered Species Act]
    not be implemented haphazardly, on the basis of speculation
    or surmise.” Bennett v. Spear, 
    520 U.S. 154
    , 176 (1997).
    This standard does not require agencies to use “the best
    scientific data possible,” San Luis & Delta-Mendota Water
    Authority v. Jewell, 
    747 F.3d 581
    , 602 (9th Cir. 2014)
    (emphasis added), but it does require them to “support their
    conclusions with accurate and reliable data,” Conservation
    
    Congress, 774 F.3d at 620
    . Accordingly, while we have
    permitted agencies to rely on “imperfect” or “weak” data, we
    have never suggested that agencies may rest their decisions
    on data that is scientifically unsound. See
    id. Yet that
    is
    precisely what the majority has allowed EPA to do here.
    Of course, the statutory standard does not compel
    agencies to “conduct new tests,” and we cannot direct EPA
    to obtain better data using the probabilistic approach
    recommended by the National Academy of Sciences. See
    San Luis & Delta-Mendota Water Authority v. Locke,
    
    776 F.3d 971
    , 995 (9th Cir. 2014). But we can—and indeed,
    must—ensure that EPA uses the best scientific data available
    to assess Enlist Duo’s effects on listed species. By relying
    on a scientifically indefensible method that generated
    speculative and unreliable estimates, EPA failed to meet its
    burden. While the unavailability of better data can excuse
    NAT’L FAMILY FARM COALITION V. USEPA              69
    an agency’s reliance on flawed or weak data, that rule has no
    application when, as here, an agency’s data does not qualify
    as “scientific data” in the first place.
    EPA’s use of the risk quotient method violated the
    Endangered Species Act, and the 2014 and 2017
    registrations of Enlist Duo should be vacated as a result.
    

Document Info

Docket Number: 17-70810

Filed Date: 7/22/2020

Precedential Status: Precedential

Modified Date: 7/22/2020

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