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No. 10631674
United States Court of Appeals for the Ninth Circuit
State of Alaska v. National Marine Fisheries Service
No. 10631674 · Decided July 11, 2025
No. 10631674·Ninth Circuit · 2025·
FlawFinder last updated this page Apr. 2, 2026
Case Details
Court
United States Court of Appeals for the Ninth Circuit
Decided
July 11, 2025
Citation
No. 10631674
Disposition
See opinion text.
Full Opinion
NOT FOR PUBLICATION FILED
UNITED STATES COURT OF APPEALS JUL 11 2025
MOLLY C. DWYER, CLERK
U.S. COURT OF APPEALS
FOR THE NINTH CIRCUIT
STATE OF ALASKA, No. 24-3148
D.C. No.
Plaintiff - Appellant, 3:22-cv-00249-SLG
and
MEMORANDUM*
NORTH SLOPE BOROUGH,
Plaintiff,
v.
NATIONAL MARINE FISHERIES
SERVICE,
Defendant - Appellee,
CENTER FOR BIOLOGICAL
DIVERSITY,
Intervenor-Defendant -
Appellee.
Appeal from the United States District Court
for the District of Alaska
Sharon L. Gleason, Chief District Judge, Presiding
*
This disposition is not appropriate for publication and is not precedent
except as provided by Ninth Circuit Rule 36-3.
Submitted July 9, 2025**
San Francisco, California
Before: H.A. THOMAS and DE ALBA, Circuit Judges, and RAKOFF, District
Judge.***
The State of Alaska appeals the district court’s grant of summary judgment
to the National Marine Fisheries Service (NMFS) in Alaska’s action challenging
NMFS’s negative 90-day finding on Alaska’s petition to delist the Arctic ringed
seal as a threatened species under the Endangered Species Act (ESA). We have
jurisdiction under 28 U.S.C. § 1291. We affirm.
“We review de novo the district court’s grant of summary judgment to
determine whether NMFS’s ESA listing decision was ‘arbitrary, capricious, an
abuse of discretion, or otherwise not in accordance with law.’” Alaska Oil & Gas
Ass’n v. Pritzker, 840 F.3d 671, 675 (9th Cir. 2016) (quoting 5 U.S.C.
§ 706(2)(A)). Our review under the Administrative Procedure Act (APA) is
“highly deferential, presuming the agency action to be valid and affirming the
agency action if a reasonable basis exists for its decision.” Ctr. for Biological
Diversity v. Bureau of Land Mgmt., 833 F.3d 1136, 1146 (9th Cir. 2016). “Agency
action should be affirmed ‘so long as the agency considered the relevant factors
**
The panel unanimously concludes this case is suitable for decision
without oral argument. See Fed. R. App. P. 34(a)(2).
***
The Honorable Jed S. Rakoff, United States District Judge for the
Southern District of New York, sitting by designation.
2 24-3148
and articulated a rational connection between the facts found and the choices
made.’” Audubon Soc’y of Portland v. Haaland, 40 F.4th 967, 979 (9th Cir. 2022)
(quoting Pritzker, 840 F.3d at 675). Where, as here, NMFS has made a prior listing
determination, a subsequent petition generally does not “present substantial
scientific and commercial information . . . unless the petition provides new
information not previously considered.” 50 C.F.R. § 424.14(h)(1)(iii) (2016).
1. NMFS reasonably determined that new climate change projections were
consistent with those it had considered at the time of its 2012 listing decision. See
Endangered and Threatened Wildlife; 90-Day Finding on a Petition to Delist the
Arctic Subspecies of Ringed Seal Under the Endangered Species Act, 85 Fed. Reg.
76018, 76022 (Nov. 27, 2020). We have explained that “[t]he fact that climate
projections for 2050 through 2100 may be volatile does not deprive those
projections of value in the rulemaking process.” Pritzker, 840 F.3d at 680. Here,
NMFS “provided a reasonable and scientifically supported methodology for
addressing volatility in its long-term climate projections, and it represented fairly
the shortcomings of those projections—that is all the ESA requires.” Id. Nor did
NMFS act arbitrarily and capriciously in determining that the lowest emissions
scenario—which is based on new technologies that have not been widely
implemented—was unrealistic because current trends in annual global emissions
are consistent with high-end emissions scenarios. See 85 Fed. Reg. at 76022; see
3 24-3148
also Pritzker, 840 F.3d at 679 (“[W]e ‘must defer to the agency’s interpretation of
complex scientific data’ so long as the agency provides a reasonable explanation
for adopting its approach and discloses the limitations of that approach.” (quoting
Nw. Ecosys. All. v. U.S. Fish & Wildlife Serv., 475 F.3d 1136, 1150 (9th Cir.
2007))).
2. NMFS reasonably declined to rely on the U.S. Fish and Wildlife Service’s
(USFWS) 12-month findings about the Pacific walrus because they were not
specific to the Arctic ringed seal. See 85 Fed. Reg. at 76022. An agency acts
neither arbitrarily nor capriciously when it “adopt[s] a foreseeability analysis that
is responsive to new, reliable research while accounting for species-, threat-, and
habitat-specific factors.” Pritzker, 840 F.3d at 682. Here, NMFS reasonably
explained that USFWS’s 12-month findings about the Pacific walrus had no
bearing on NMFS’s decision about whether delisting the Arctic ringed seal may be
warranted. See 85 Fed. Reg. at 76022.
3. NMFS did not improperly disregard new information contained in the
petition about the Arctic ringed seal’s response to sea ice loss and other climate-
related changes. First, in its 90-day finding, NMFS discussed at length why the
petition’s cited studies did not constitute new information. See id. at 76021–27.
Second, NMFS reasonably explained that its “listing of Arctic ringed seals as
threatened was not based on evidence indicating that population size or health had
4 24-3148
declined, nor was it based on a presumption that a climate driven decline would be
detectable at that time or shortly thereafter.” Id. at 76024. Instead, its decision “was
based primarily on the conclusion that continuing Arctic warming would cause
substantial reductions in sea ice and on-ice snow depths,” which is expected to
result in decreased pup survival and population declines within the foreseeable
future. Id. An agency need not wait until “it ha[s] quantitative data reflecting a
species’ decline, its population tipping point, and the exact year in which that
tipping point would occur before it could adopt conservation policies to prevent
that species’ decline.” Pritzker, 840 F.3d at 683; see also id. (noting that NMFS
“need not wait until a species’ habitat is destroyed to determine that habitat loss
may facilitate extinction”).
In sum, NMFS reasonably determined that the petition did not present new
information indicating that delisting the Arctic ringed seal may be warranted.
Because NMFS considered all relevant factors and “articulated a rational
connection between the facts found and the choices made[,]” id. at 675, we must
“defer to the agency’s interpretation of complex scientific data” in this case, id. at
679.
AFFIRMED.
5 24-3148
Plain English Summary
NOT FOR PUBLICATION FILED UNITED STATES COURT OF APPEALS JUL 11 2025 MOLLY C.
Key Points
01NOT FOR PUBLICATION FILED UNITED STATES COURT OF APPEALS JUL 11 2025 MOLLY C.
02Plaintiff - Appellant, 3:22-cv-00249-SLG and MEMORANDUM* NORTH SLOPE BOROUGH, Plaintiff, v.
03NATIONAL MARINE FISHERIES SERVICE, Defendant - Appellee, CENTER FOR BIOLOGICAL DIVERSITY, Intervenor-Defendant - Appellee.
04Gleason, Chief District Judge, Presiding * This disposition is not appropriate for publication and is not precedent except as provided by Ninth Circuit Rule 36-3.
Frequently Asked Questions
NOT FOR PUBLICATION FILED UNITED STATES COURT OF APPEALS JUL 11 2025 MOLLY C.
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