PUBLIC LANDS WATCH

Arctic National Wildlife Refuge — Coastal Plain

Northeastern Alaska · National Wildlife Refuge (Coastal Plain oil and gas leasing program) · managed by U.S. Fish and Wildlife Service (refuge); Bureau of Land Management (leasing program)

Status: Active — first of four mandated lease sales completed Threat: Oil and gas drilling — Coastal Plain lease sales
Coordinates
69.5, -143.0
Page last verified
2026-08-12
Site maintainer of record
Alicen M.
File
/arctic-refuge

01 — Historical & Cultural Record

The Arctic National Wildlife Refuge spans more than 19 million acres of wilderness in northeastern Alaska, including some of the most undeveloped land in the United States, with no roads, marked trails, or campgrounds. In 1960, the Department of the Interior designated 9.8 million acres of the area as the Arctic National Wildlife Range. A 1980 federal law (ANILCA) expanded the refuge and prohibited oil and gas activity in its 1.5-million-acre Coastal Plain unless explicitly authorized by Congress. The Coastal Plain provides denning habitat for polar bears and calving grounds for the Porcupine caribou herd, and holds significance for the Gwich'in people, who call it "the sacred place where life begins."

02 — Current Threat

The 2017 Tax Cuts and Jobs Act directed the Interior Secretary to hold at least two Coastal Plain lease sales within 10 years. A first sale was held in January 2021 under the first Trump administration, yielding leases on 437,804 acres; most bids came from the Alaska Industrial Development and Export Authority (AIDEA), a state-established corporation. Biden's Executive Order 13990 paused Coastal Plain activity and Interior later canceled the seven remaining leases; a federal court struck down that cancellation in March 2025. The One Big Beautiful Bill Act (P.L. 119-21), signed July 2025, mandated four additional lease sales through 2035, each offering at least 400,000 acres. In October 2025, Interior reinstated the leasing program across the full 1.56-million-acre Coastal Plain. The first sale under this mandate was held June 5, 2026, offering 58 tracts covering approximately 688,829 acres. All major oil companies declined to bid; only AIDEA and a small Alaska company, Hex LLC — neither with Arctic drilling experience — submitted bids, on five parcels total.

03 — Documented Impact: Environmental

Geology & Land: The Coastal Plain (the "1002 Area") is roughly 1.56 million acres of Arctic tundra along Alaska's North Slope, underlain by permafrost, with a short growing season and extreme seasonal temperature range (average winter lows near -40°F, summer highs near 50°F).

Climate: Winter temperatures in the Alaska/western Canada Arctic region have already risen as much as 7°F over the past 50 years per available research, with snow-covered area declining roughly 10% over the past 30 years — trends most pronounced in April and May, the exact window relevant to caribou calving and polar bear den emergence. A 25-year USGS research review found no statistically significant change in vegetation, soil conditions, or permafrost thaw specifically within the 1002 Area over that period, alongside persistent scientific uncertainty about the longer-term effects of industrial development on the Coastal Plain's wildlife. Separately, oil and gas development in the Arctic broadly is documented to compound climate change through associated greenhouse gas emissions, and Alaska overall is warming roughly four times faster than the global average, contributing to decreased sea ice, coastal erosion, and ocean acidification.

Habitat & Endangered Species: The Coastal Plain provides calving grounds for the Porcupine caribou herd (nearly 200,000 animals, migrating roughly 1,500 miles annually — one of the longest land migrations of any animal). It also holds the most significant U.S. denning habitat for polar bears: up to 29 pregnant females den in the Coastal Plain in a given winter, digging shelters 7-10 feet into snow drifts, and the area is documented to contain nearly half of all identified mainland polar bear dens; as sea ice has thinned, increasing numbers of polar bears den on land rather than ice, raising the relative importance of this specific habitat. Muskoxen numbers in the 1002 Area have already declined per USGS research, and the herd has shown variable use of the calving area over the same period. The plain also supports over 200 migratory bird species and up to 300,000 snow geese each fall, plus endangered bowhead whales migrating offshore, which are documented as highly sensitive to industrial disturbance including potential oil spills.

Long-Term Effects: A Canadian Wildlife Service study found 19% higher caribou calf mortality in years when snow patterns forced the herd away from its preferred calving grounds — illustrating how sensitive calving success is to disturbance or displacement, a relevant consideration for permanent industrial infrastructure sited within that same calving range. Scientists and Gwich'in leaders have specifically warned that combined climate stress and renewed drilling pressure could threaten the long-term viability of the Porcupine caribou herd in a manner comparable to historical bison population collapse.

03 — Documented Impact: Cultural & Archaeological

The Coastal Plain holds documented significance for the Gwich'in people's way of life, who have depended on the Porcupine caribou herd for thousands of years and specifically oppose Coastal Plain development; the National Wildlife Federation has stated drilling activity threatens Gwich'in interests alongside wildlife habitat.

03 — Documented Impact: Economic & Fiscal

Prior Coastal Plain lease sales have drawn minimal industry interest: the 2021 sale generated $14.4 million in high bids across nine tracts (minimum bid $25/acre), and a 2025 sale drew no bids at all. The June 2026 sale set minimum bid at $25/acre, rent at $10/acre, and royalty at 16.67% — with only 5 of 58 offered tracts drawing any bid, and no major oil company participating. The lack of major-company participation was cited by conservation and taxpayer watchdog groups as evidence that Arctic Refuge drilling is not a commercially viable response to current energy costs, despite ongoing federal outlay to administer four mandated sales through 2035. A total federal cost of administering the mandated sale program was not identified in current sourcing.

03 — Documented Impact: Legal Status

A lawsuit filed by the Natural Resources Defense Council, Center for Biological Diversity, and Friends of the Earth U.S. — originally filed in 2020 and amended in 2026 — challenges the Interior Department's October 2025 decision to maximize Coastal Plain leasing, and separately challenges the legality of leases AIDEA obtained during the first Trump administration. The lawsuit remained active as of this page's last verification.

03 — Documented Impact: Human Health

Not yet documented — no dedicated human-health impact study specific to Coastal Plain leasing was identified in current sourcing; documented impacts to date are ecological (wildlife) and subsistence-lifestyle-related (Gwich'in) rather than direct physical-health findings.

03 — Tribal / Public Consultation Status

Gwich'in leadership has been engaged in opposition advocacy for decades, but a formal, project-specific tribal consultation record for the June 2026 lease sale was not identified in current sourcing. The Refuge's cultural framing by the Gwich'in as "the sacred place where life begins" is documented, but the government-to-government consultation process status specific to this sale is not yet documented.

04 — Named Companies & Responsible Parties

05 — Recorded Opposition & Support

06 — Timeline of Developments

07 — Sources

Primary

Secondary

Corrections Log

None on record as of 2026-08-12 (page last substantially expanded).

Take Action

No published federal comment deadline on record; three further mandated lease sales remain through 2035.

Sign / comment on the public record for Arctic National Wildlife Refuge — Coastal Plain →