Nelson v. Reynolds

This case involves a challenge to decisions made by the National Park Service (“Park Service”) authorizing recreational hunting of elk in Wyoming’s Grand Teton National Park (“Grand Teton”). Appellant claims that the Park Service violated the National Environmental Policy Act (“NEPA”) by authorizing recreational hunts each year without first conducting a NEPA review to assess whether and to what extent hunting was in fact necessary for the proper management and protection of the elk. Appellant’s Br. 26.

Grand Teton and the National Elk Refuge (“Refuge”) are home to the “Jackson herd,” one of the largest concentrations of elk in North America. Two federal agencies share primary responsibility for managing the Jackson herd: the Park Service, which has jurisdiction over Grand Teton, and the Ú.S. Fish and Wildlife Service (“FWS”), which' manages the Refuge. In 2007, the two agencies, acting together, adopted a fifteen-year plan (“2007 Plan”) to manage the Jackson herd. The 2007 Plan set objectives to reduce the population size of the herd, limit their risk of disease, and. conserve their habitat. In conjunction with the 2007 Plan, the agencies also issued a final environmental impact statement (“EIS”), as required by NEPA

The 2007' Plan analyzed six alternative long-term strategies for managing the Jackson herd. The EIS, in turn, carefully assessed the environmental risks posed by the alternative -strategies. In-the end, the agencies adopted an elk-reduction program pursuant to which the Park Service would authorize élk hunting as needed to attain the Plan’s population objectives. The program also contemplated that the FWS would reduce supplemental feed given to the elk during winter months on the Refuge. Between 2007 and 2015, the Park Service adhered to the elk-reduction program in determining the number of elk authorized to be harvested and the number of hunters deputized to participate; in a hunt. As a result, from 2007 to 2015, the size of the -herd .decreased, as did the number of deputized hunters and the num--ber of elk authorized to be harvested. During this same period, however, the FWS failed to meet the 2007 Plan’s objective to wean the herd from supplemental feed.

Kent Nelson and Timothy Mayo, wildlife photographers, filed suit in the District Court challenging the Park Service’s 2015 program for elk hunting. See Mayo v. Jarvis, 177 F.Supp.3d 91, 107-24. (D.D.C. 2016). They argued that the Park’Service was required to prepare a new NEPA analysis every year that it implemented the fifteen-year elk-reduction program, disclosing and analyzing the unique environmental effects of each year’s hunt. Because no such analysis was done for the 2015 hunt authorization, they claimed that the Park Service’s action violated NEPA. Appellants also contended that the FWS’s failure to reduce supplemental feeding in line with the Plan’s goals necessitated the preparation of a supplemental EIS. However, supplemental feeding is managed by the FWS and Nelson and Mayo did not seek to pursue any action against the FWS with respect to that program. With respect to the NEPA claims, the District Court denied the plaintiffs’ summary judgment motion and granted the Park Service’s cross-motion for summary judgment. Id. at 146. Nelson, but not Mayo, now appeals the District Court’s judgments.

In its brief to this court, the Park Service cogently explains why. the judgment of the District Court should be affirmed:

Under NEPA, an agency must take a hard look at the environmental impacts of its proposed actions. The statute does not, however, require the agency to take a new look every time it takes a step that implements a previously-studied action, so long as the impacts of that step were contemplated and analyzed by the earlier analysis.' Here, the Park Service’s 2007 Management Plan contemplated that the Park Service would authorize annual elk-reduction programs, and the 2007 EIS accompanying that plan specifically analyzed the effects of such programs. [Appellant] has not identified any impact from the 2015 reduction program that was not studied in the 2007 EIS.... The Park Service has therefore satisfied NEPA.

Appellees’ Br. 24. We agree. We therefore affirm the District Court’s judgment on the NEPA issues.

In the District Court, the plaintiffs also claimed that the agencies’ consultation over the effects of the elk-reduction program on the grizzly bear population did not satisfy the requirements of the Endangered Species Act (“ESA”). All parties agree that this claim is now moot because the grizzly bear is no longer listed as a threatened species under the ESA. See Endangered Species and Threatened Wildlife and Plants, 82 Fed. Reg. 30,502 (June 30, 2017) (to be. codified at 50 C.F.R. pt. 17). We therefore vacate the District Court’s judgment on the ESA claim. See United States v. Munsingwear, Inc,, 340 U.S. 36, 39-40, 71 S.Ct. 104, 95 L.Ed, 36 (1950).

I. Background

A. Statutory and Regulatory Background

1. National Environmental Policy Act

Congress enacted the National Environmental Policy Act (“NEPA”) in part “to promote efforts which will prevent or eliminate damage to the environment and biosphere and ... enrich the understanding of the ecological systems and natural resources important to the Nation.” 42 U.S.C. § 4321 (2012). To those ends, NEPA requires all federal agencies to include a detailed environmental impact statement (“EIS”) “in every recommendation or report on ... major Federal actions significantly affecting the quality of the human environment.” Id. § 4332(2)(C). This process ensures that an agency will “consider every significant aspect of the environmental impact of a proposed action” and “inform the public” of its analysis. Balt. Gas & Elec. Co. v. Nat. Res. Def. Council, Inc., 462 U.S. 87, 97, 103 S.Ct. 2246, 76 L.Ed.2d 437 (1983); see also Dep’t of Transp. v. Pub. Citizen, 541 U.S. 752, 768, 124 S.Ct. 2204, 159 L.Ed.2d 60 (2004). “In other words, agencies must 'take a hard look at [the] environmental consequences’ of their actions, and ‘provide for broad dissemination of relevant environmental information.’ ” Pub. Emps. for Envtl. Responsibility v. Hopper, 827 F.3d 1077, 1082 (D.C. Cir. 2016) (quoting Robertson v. Methow Valley Citizens Council, 490 U.S. 332, 350, 109 S.Ct. 1835, 104 L.Ed.2d 351 (1989)) (internal quotation marks omitted).

Not every agency action requires the preparation of a full EIS, however. See, e.g., Duncan's Point Lot Owners Ass’n Inc. v. FERC, 522 F.3d 371, 376 (D.C. Cir. 2008) (“[F]ederal control and responsibility for an action is. not enough to trigger the EIS requirement.”). Thus, in determining whether a major federal action “significantly affect[s]” the environment, 42 U.S.C. § 4332(2)(C), an agency may prepare a more concise environmental assessment (“EA”), see Council on Environmental Quality (“CEQ”) regulations, 40 C.F.R. § 1508.9, which may result in the agency issuing a “finding of no significant impact” in lieu of a full EIS, see id, § 1508.13.

■ [1,2] Where NEPA analysis is required, its role is “primarily information-forcing.” Sierra Club v. FERC, 867 F.3d 1357, 1367 (D.C. Cir. 2017). As the Supreme Court has explained, “[t]here is a fundamental distinction ... between a requirement that mitigation be discussed in sufficient detail to ensure that environmental consequences have been fairly evaluated, on the one hand, and a substantive requirement that a complete mitigation plan be actually formulated and adopted, on the other.” Robertson, 490 U.S. at 352, 109 S.Ct. 1835. “NEPA is ‘not a suitable vehicle’ for airing grievances about the substantive policies adopted by an agency, as ‘NEPA was not intended to resolve fundamental policy disputes.’ ” Grunewald v. Jarvis, 776 F.3d 893, 903 (D.C. Cir. 2015) (quoting Found. on Econ. Trends v. Lyng, 817 F.2d 882, 886 (D.C. Cir. 1987)).

It is now well-established that “NEPA imposes only procedural requirements on federal agencies with a particular focus on requiring agencies to undertake analyses of the environmental impact of them proposals and actions.” Pub. Citizen, 541 U.S. at 756-57, 124 S.Ct. 2204; see also Vt. Yankee Nuclear Power Corp. v. Nat. Res. Def. Council, Inc., 435 U.S. 519, 558, 98 S.Ct. 1197, 55 L.Ed.2d 460 (1978) (NEPA’s mandate “is essentially procedural”). It is equally clear that NEPA does not impose a duty on agencies “to include in every EIS a detailed explanation of specific measures which will be employed to mitigate the adverse impacts of a proposed action.” Robertson, 490 U.S. at 353, 109 S.Ct. 1835 (emphasis omitted) (internal quotation omitted).

An agency is required to supplement an existing EIS only if the agency “makes substantial changes in the proposed action that are relevant to environmental concerns,” or if there are “significant new circumstances or information relevant to environmental concerns and bearing on the proposed action or its impacts.” CEQ regulations, 40 C.F.R. § 1502.9(c). Under this standard, an agency is not required to make a new assessment under NEPA every time it takes a step that implements a previously studied action, so long as the impacts of that step were contemplated and analyzed by the earlier analysis. See, e.g., Wyoming v. U.S. Dep’t of Agric., 661 F.3d 1209, 1257-58 (10th Cir. 2011).

In Marsh v. Oregon Natural Resources Council, 490 U.S. 360, 109 S.Ct. 1851, 104 L.Ed.2d 377 (1989), the Supreme Court explained that under the “rule of reason,” “an agency need not supplement an EIS every time new information comes to light after the EIS is finalized.” Id.' at 373, 109 S.Ct. 1851. Rather, “a supplemental EIS must be prepared” only when a new action will affect the quality of the environment “in a significant manner or to a significant extent not. already considered.” Id. at 374, 109 S.Ct. 1851; see also Nat’l Comm. for the New River, Inc. v. FERC, 373 F.3d 1323, 1330 (D.C. Cir. 2004) (explaining that a supplemental impact statement is “only required where new information provides a seriously different picture of the environmental landscape” (quoting City of Olmsted Falls v. Fed. Aviation Admin., 292 F.3d 261, 274 (D.C. Cir. 2002))); Davis v. Latschar, 202 F.3d 359, 369 (D.C. Cir. 2000) (requiring a supplemental impact statement only for “changes that cause effects which are significantly different from those already studied”). And because an agency’s decision whether to prepare a supplemental EIS requires “substantial agency expertise,” courts must defer to the agency’s “informed discretion.” Marsh, 490 U.S. at 366-77, 109 S.Ct. 1851.

2. The 2Q07 Elk-Management Plan and Environmental Impact Statement

As noted above, the Park Service and Fish and Wildlife Service jointly manage the Jackson elk herd. In the spring and summer, the Jackson herd tends to reside primarily in Wyoming’s Grand Teton National Park, under the jurisdiction of the Park Service. In the winter, however, much of the herd migrates to the neighboring National Elk Refuge, which is managed by the FWS.

Since 1955, the Park Service has annually authorized the hunting of elk in the Park. Although hunting is frequently prohibited in national parks, Congress authorized the practice in Grand Teton in 1950 when it established the Park in its current form. See Pub. L. 81-787 § 6(a), 64 Stat. 849, 851-52 (1950), codified at 16 U.S.C. § 673c. Specifically, Congress required the Park Service and Wyoming Game and Fish Commission to “devise ... a program to insure the permanent conservation of the elk within the Grand Teton National Park” and directed that such conservation program “shall include the controlled reduction of elk in such park, ... when it is found necessary for the purpose of proper management and protection of the elk.” 16 U.S.C. § 673c(a).

Part of the Park Service’s justification for the elk-hunting program has to do with the practices of the FWS on the Refuge. The FWS provides supplemental feed to elk on the Refuge during winter months on the assumption that there is an insufficient amount of winter range to support the numbers of elk that occupy the Jackson Hole area. This practice reduces incidents of elk starvation, but it also creates “significant problems” of its own. Defs. of Wildlife v. Salazar, 651 F.3d 112, 113 (D.C. Cir. 2011). Supplemental feeding artificially increases the size and density of the elk herd, and it has also contributed to the spread of disease among the elk and erosion of their habitat. Id. at 113-14. Authorized hunting offsets some of the adverse effects of supplemental feeding by containing the herd’s population size, while also managing the gender and age distributions of the Jackson elk herd.

In 2007, the Park Service and the FWS adopted a fifteen-year plan for managing the Jackson elk herd and prepared an EIS to assess the environmental effects of the plan. See Final Bison and Elk Management Plan and Environmental Impact Statement for the National Elk Refuge/Grand Teton National Park/John D. Rockefeller, Jr., Memorial Parkway (Feb. I, 2007) (“2007 Plan and EIS”), available at http://bisonandelkplan.fws.gov. The Plan listed four goals for managing the elk: (1) conserving their habitat, (2) .making the population sustainable, (3) contributing to Wyoming’s population objectives for the elk, and (4) managing the risk of disease. Id. at ix. To achieve those ends, the agencies analyzed six alternative management programs, each of which varied in terms of its goals for the elk reduction level sought, the number of elk wintering on the Refuge, the use of hunting to control the population, and the extent to which supplemental feeding would continue on the Refuge. See id. at ix-x.

The agencies chose a program denominated Alternative Four. That option called for reducing the total number of elk in the Jackson herd from approximately 13,000 to II,000, and the number of elk wintering on the Refuge, where supplemental feed is served, from 6,800 down to 5,000. Id. at 48. The Plan aimed to meet these targets through an “adaptive management approach” involving public education, habitat conservation, and a decreasing use of supplemental feeding “based on established criteria and changing social, political, or biological conditions.” Id. at 48, 65. In addition, the agencies assumed that hunting would be authorized “on the refuge, and when necessary ... in the park, to assist the state in managing herd sizes, sex and age ratios, and summer distributions” ■ of elk; Id. at 48. Specifically, the 2007 Plan predicted that in Grand Teton over the “long term an estimated average of 232-287 elk per year would be harvested by 773-957 deputized hunters, compared to baseline figures of 1,600 hunters and 480 elk per year.” Id. at 472.

As noted above, the Park Service and the FWS also prepared an environmental impact statement in conjunction with the 2007 Plan, as required by NEPA. The final EIS carefully addressed the' impact of the Plan’s six alternatives—including the preferred elk-reduction program—on, inter alia, the Park and Refuge’s physical environment, id. at 194-210, the habitat of the elk, id. at 211-54, other wildlife, including threatened and endangered species, id. at 351-66, human health' and safety, id. at 443-56, and recreational and tourism related activities, id. at 457-93. Importantly, the EIS noted that “[t]he level of analysis [in the report was]' sufficient to allow several management actions to be carried out without-having to complete additional environmental analyses (e.g., environmental assessments) prior to implementation.” Id. at 191.

The 2007 Plan also was required to comply with the Endangered Species Act (“ESA”) due to the Plan’s potential to affect the Greater Yellowstone Ecosystem (“GYE”) population of grizzly bears, see id. at 351, a species that had been listed as “threatened” since 1975, see- Amendment Listing the Grizzly Bear of the 48 Coterminous States as a Threatened Species, 40 Fed. Reg.'31,734 (July 28, 1975). Accordingly, the Park Service consulted with the FWS over the matter. The FWS then issued- a biological opinion determining that the implementation of the 2007 Plan’s preferred alternative was not- likely to jeopardize the existence of the -grizzly bear, but might result in some take of grizzlies by elk hunters. See Bison and-Elk Management Plan: National Elk Refuge and Grand Teton National Park (Apr. 2007), Appendix E, at 171-98, reproduced at J.A. 645-72, 830-61, available at https://www. fws.gov/bisonandelkplan/. In 2012,- an elk hunter killed a grizzly bear; prompting the Park Service to consult again with the FWS. In 2013, the FWS issued an addendum to its 2007 biological opinion, estimating that a total of five grizzly bears would be taken- in the Park during the fifteen-year period covered by the 2007 Plan. Memorandum from Field Supervisor, U.S. FWS to Superintendent, Nat’l Park Service (Sept. 13, 2013), reproduced at J.A. 867-904, 870.

B. Procedural Background

The Park Service has authorized elk hunting in Grand Teton in reliance on its 2007 Plan and EIS in every year since the Plan was adopted. On October 20, 2014, local wildlife photographers Timothy Mayo and Kent Nelson brought suit in the District Court, challenging the annual hunting authorizations as contrary to the Grand Teton National Park Act (“Enabling Act”), 16 U.S.C. § 673c(a), National Park Service Organic.Act (“Organic Act”), 16 U.S.C. § 1, Administrative Procedure Act (“APA”), 5 U.S.C. § 706(2), ESA, 16 U.S.C. § 1531, and NEPA, 42 U.S.C. § 4321 et seq. Complaint for Declaratory and Injunctive Relief, ¶¶ 68-80, reproduced at J.A. 33-37. On July 1, 2015, the plaintiffs filed a supplemental complaint, incorporating- by reference each of the statutory claims to also apply to the Park Service’s 2015 authorization of elk hunting in the Park. Supp. Complaint, ¶¶ 1-8, J.A. 39-41. The State of Wyoming and Safari Club International intervened as defendants before the District Court. Mayo, 177 F.Supp.3d at 105.

With respect to their NEPA claims, the plaintiffs argued that the Park Service was required to issue a new EA or EIS every year during the fifteen-year term of the elk-reduction program. Complaint, ¶¶ 73-74, J.A. 35; Mayo, 111 F.Supp.3d at 107, They contended that changes had occurred after the agency promulgated the 2007 Plan and EIS—most notably; the FWS’s continued use of supplemental feeding on the Refuge—necessitating a supplemental EIS. Mayo, 111 F.Supp.3d at 117, 122.

The plaintiffs also challenged the biological opinion and its 2013 addendum as arbitrary and capricious for failing to address the possibility that elk viscera left by hunters “harass” grizzly bears within the meaning of the ESA’s take prohibition; Id. at 142-45. As explained above, this claim is now moot, so it will 'not be addressed in this opinion.

Mayo and Nelson moved for summary judgment on July 21, 2015. The Park Service, FWS, and intervenors opposed that motion and cross-moved for summary judgment in their favor.

On March 29, 2016, the District Court entered summary judgment for the government on the Enabling Act, Organic Act, and NEPA claims. Id. at 91, 146. With respect to the NEPA claims, the District Court held that the Park Service could rely on the 2007 EIS in making its annual elk-reduction: decisions because that document “took the requisite ‘hard look’ at the potential environmental effects that might result from continuing the elk reduction program in the Park as a method of managing the herd.” Id. at 109. The District Court rejected the plaintiffs’ contention that the agencies had abandoned, the 2007 Plan,- and held that a supplemental EIS was not required since the record lacked evidence that the FWS’s supplemental feeding practices “on the Refuge [have] had a spillover effect on the environmental impacts of elk hunting in the Park.” Id. at 122.

Accordingly, on August 1, 2016, the District Court entered final judgment on all counts in the government’s favor. Mayo v. Jarvis, 203 F.Supp.3d 31, 42 (D.D.C. 2016). Kent .Nelson, but not Timothy Mayo, has now appealed the denial of his motion for summary judgment and the entry of judgment for Appellees.

II.. Analysis

A. Standard of Review

We review the District Court’s grant and denial of summary judgment de novo. Theodore Roosevelt Conserv. P’ship v. Salazar, 661 F.3d 66, 72 (D.C. Cir. 2011). Because NEPA does not provide a private right of action, the agencies’ compliance with NEPA is reviewed under the Administrative Procedure Act (“APA”) “and its deferential standard of review.” Sierra Club, 867 F.3d at 1367.

The APA requires that we “hold unlawful and set aside agency action” that is “arbitrary, capricious, an abuse of discretion, or otherwise not in accordance with law.” 5 U.S.C. § 706(2)(A). Agency action is arbitrary and capricious “if the agency has relied on factors which Congress has not-intended it to consider, entirely failed to consider an important aspect of. the problem, [or] offered an explanation for its decision that runs counter to- the evidence before the agency.” Motor Vehicle Mfrs. Ass’n v. State Farm Mut. Auto. Ins. Co., 463 U.S. 29, 43, 103 S.Ct. 2856, 77 L.Ed.2d 443 (1983);.see also Duncan’s Point Lot Owners, 522 F.3d at 376 (“We will overturn an agency’s decision not to prepare an. EIS only if that- decision, was arbitrary, capricious, or an'abuse of discretion.”). In evaluating whether the agency has met this standard, the court must “not ... substitute its [own] judgment for that of the agency.” State Farm, 463 U.S. at 43, 103 S.Ct. 2856.

As noted above, the Supreme Court has emphasized that “inherent in NEPA and its implementing regulations is a ‘rule of reason.’ ” Pub. Citizen, 541 U.S. at 767, 124 S.Ct. 2204 (quoting Marsh, 490 U.S. at 373, 109 S.Ct. 1851). The rule of reason governs our review of an agency’s environmental analysis, N. Slope Borough v. Andrus, 642 F.2d 589, 600 (D.C. Cir. 1980), decision not to prepare a NEPA analysis, Pub. Citizen, 541 U.S. at 767, 124 S.Ct. 2204, and decision not to supplement an existing EIS, Marsh, 490 U.S. at 373-74, 109 S.Ct. 1851. The standard “ensures that agencies determine whether and to what extent to prepare an EIS based on the usefulness of any new potential information to the decisionmaking process.” Pub. Citizen, 541 U.S. at 767, 124 S.Ct. 2204; see also Marsh, 490 U.S. at 373-74, 109 S.Ct. 1851. “The overarching question is whether an EIS’s deficiencies are significant enough to undermine informed public comment and informed decisionmaking.” Sierra Club, 867 F.3d at 1368 (citing Nevada v. Dep’t of Energy, 457 F.3d 78, 93 (D.C. Cir. 2006)).

A court’s “role in reviewing an agency’s decision not to prepare an EIS is a ‘limited’ one, ‘designed primarily to ensure that no arguably significant consequences have been ignored.’” Myersville Citizens for a Rural Cmty., Inc. v. FERC, 783 F.3d 1301, 1322 (D.C. Cir. 2015) (quoting TOMAC v. Norton, 433 F.3d 852, 860 (D.C. Cir. 2006)). Necessarily, then, “[w]here the preparation of an EIS would serve ‘no purpose’ in light of NEPA’s regulatory scheme as a whole, no rule of reason worthy of that title would require an agency to prepare an EIS.” Pub. Citizen, 541 U.S. at 767, 124 S.Ct. 2204 (internal quotation marks omitted).

B. Appellant’s Claim Regarding the Need for an Annual NEPA Assessment

Appellant’s primary argument on appeal is that each annual hunting authorization constitutes a “major Federal action” that triggers NEPA’s mandate that the agency prepare an EA or EIS. 42 U.S.C. § 4332(2)(C); see CEQ regulations, 40 C.F.R. § 1508.18 (defining “Federal action” to include “continuing activities” and approvals by federal agencies of “specific projects, such as ... management activities located in a defined geographic area” and “actions approved by permit”); id. § 1508.27 (defining “significantly”). Appellant offers three arguments in support of his claim that the 2007 EIS cannot satisfy this statutory requirement: (1) the 2007 Plan did not disclose the particulars of each future annual hunt; (2) the agencies have stopped implementing the Plan; and (3) significant new information bearing on the environmental effects of hunting have never been analyzed.

Intervenor-Appellee Wyoming argues that the Park Service’s authorization of the 2015 elk-reduction program is not a “major Federal action” since it is “simply one step in the agency’s ongoing management of the elk and bison herds under the fifteen-year term of the 2007 Plan.” Wyoming’s Br. 34. The Park Service, in turn, contends that even if each hunting authorization is a “major Federal action” which may “significantly affect” the environment, the 2007 EIS relieved the Park Service of the obligation to prepare fresh NEPA documentation each year it implements the elk-reduction program in conformity with the 2007 Plan. Appellees’ Br. 28-44. We agree with the Park Service.

Once an agency has taken a “hard look” at “every significant aspect of the environmental impact” of a proposed major federal action, Balt. Gas, 462 U.S. at 97, 108 S.Ct. 2246 (quoting Vt. Yankee, 435 U.S. at 553, 98 S.Ct. 1197), it is not required to repeat its analysis simply because the agency makes subsequent discretionary choices in implementing the program. As discussed above in part I.A, an agency may rely on an already-performed, “thorough and comprehensive” NEPA analysis. New York v. U.S. Nuclear Regulatory Comm’n (New York II), 824 F.3d 1012, 1019 (D.C. Cir. 2016).

In this case, the Park Service published a thorough and detailed EIS in 2007. Appellant has identified no significant way in which the subsequent hunting authorizations deviated from the assessment made in 2007. NEPA does not impose a duty on agencies “to include in every EIS a detailed explanation of specific measures which will be employed to mitigate the adverse impacts of a proposed action.” Robertson, 490 U.S. at 353, 109 S.Ct. 1835 (internal quotation marks and emphasis omitted). And an agency is not required to make a new assessment under NEPA every time it takes a step that implements a previously studied action. See Marsh, 490 U.S. at 373, 109 S.Ct. 1851. So long as the impacts of the steps that the agency takes were contemplated and analyzed by the earlier NEPA analysis, the agency need not supplement the original EIS or make a new assessment. See Nat’l Comm. for the New River, 373 F.3d at 1330. The 2007 EIS was clearly sufficient to cover elk hunting during the ensuing fifteen years under the 2007 Plan absent a material change causing unforeseen environmental consequences. \

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1. Adequacy of the 2007 EIS

In preparing the 2007 EIS, the agencies took a hard look at the potential environmental effects of the program to reduce the Jackson elk herd through annual hunting determinations. Spanning more than 600 pages, the EIS analyzed the effects of elk hunting on a variety of relevant environmental factors. For example, the EIS described how the elk-reduction program would likely affect the elks’ mortality potential, see 2007 Plan and EIS at 258, 296, the overall size of the Jackson herd, and the concomitant ability of the Park Service to accomplish the Plan’s population goals for the elk, see id. at 466-67, 471-72. The EIS considered the effect of hunting on the density of the herd and distribution of the elk throughout the Park and Refuge, id. at 288-90, as well as on calving, age, and sex ratios of the elk, id. at 294-95. The EIS additionally explained how hunting might affect the elks’ social practices, potentially increasing the elks’ “nervousness, energetic expenditures, and possibly decreasing nutrition because of reductions in foraging.” Id. at 291.

The EIS also took into account the elk-reduction program’s likely consequences on other wildlife, including various amphibians, id. at 434, as well as mule deer, moose, and pronghorn and bighorn sheep, e.g., id. at 399, 377-78. It specifically addressed the effects of hunting on species listed under the ESA, such as the grizzly bear, describing how the presence of hunters in particular hunting areas within the Park and the changing scope of the hunt over time might impact such species. Id. at 353. For example, the EIS considered the possibility that elk hunters might kill grizzly bears, id. at 357, and, more optimistically, produce an additional source of nutrition for grizzlies, wolves, and bald eagles by creating elk “gut piles” for the animals to scavenge, id. at 359.

In addition, the EIS considered the elk-reduction program’s relation to the region’s human environment. It evaluated the likelihood that hunting would cause injury, id. at 449, increase the risk of traffic accidents, id. at 448-49, and reduce visitors’- opportunities to observe the elk, id. at 462-64, including for purposes of wildlife photography, id. at 457-68. The EIS further explained that by bringing people into proximity with the elk, hunting might increase the risk that humans catch diseases from th¿ animals. Id. at 449, 451.

The EIS analyzed more than just the environmental effects of the elk-reduction program. It also evaluated alternative uses of hunting as an elk-management tool. For instance, it considered 'changing hunting practices by closing traditional hunting areas and opening non-traditional areas. Id. at 279-80. It thoroughly discussed the possibility of eliminating hunting completely from the Park and Refuge. E.g., id. at 265-68, 272-73, 321. And it contained'a detailed discussion of possible mitigation measures where relevant to the environmental risks it identified.

All in all, given the level of detail in the assessment, there is no question that the 2007 EIS “adequately considered and disclosed the environmental impact of’ the 2007 Plan’s preferred elk-reduction program, its necessity, and its alternatives. Nevada, 457 F.3d at 93 (quoting Balt. Gas, 462 U.S. at 97-98, 103 S.Ct. 2246).

This appeal does not involve an arbitrary and capricious challenge to the Park Service’s annual decisions to authorize elk hunting in Grand Teton. Instead, Appellant faults the Park Service for not preparing a NEPA analysis each year during the fifteen-year term of the 2007 Plan to document e