Tribal groups argued NMFS violated NEPA in adopting the harvest specifications because they relied on outdated EISs despite dramatic changes to the ecosystem that necessitated an updated environmental analysis. The court found the specifications were not arbitrary and capricious because NMFS conclud...

A district court granted the Army Corps of Engineers' motion to dismiss a developer's challenge to the Corps' 2012 jurisdictional determination over certain wetlands in Virginia. The developer challenged the Corps' significant nexus finding between the wetlands and the Northwest River, arguing the s...

A district court upheld in part and remanded in part DOI's decision to refrain from holding lease sales of federal land for oil and gas development during the second and third quarters of 2021 and the third and fourth quarters of 2022. Oil and gas industry groups challenged the lack of lease sales f...

The D.C. Circuit, 2-1, affirmed summary judgment for BLM in a challenge to the agency's 2003 final rule withdrawing a proposed rule that would have limited the maximum size of "mill sites" for mining claims on federal lands and instead codifying the agency's historical understanding that the governi...

The Montana Supreme Court, 5-2, reversed a lower court order that revoked the Montana Department of Environmental Quality's (MDEQ's) approval of a permit for construction and operation of a proposed copper mine. Conservation groups argued MDEQ's issuance of the permit violated the state's Metal Mine...

A district court denied environmental groups' motion to preliminarily enjoin an oil drilling project in Wyoming's Powder River Basin. The groups argued DOI's initial approval of the project violated NEPA by failing to take a "hard look" at relevant environmental issues, violated FLPMA by failing to ...

A district court dismissed a mining company's challenge to DOI's cancellation of two leases for a proposed copper and nickel mine in Superior National Forest. The company argued the cancellation violated the company's right to successive lease renewals and to be free from government action that is a...

The California Supreme Court affirmed an appellate court ruling in favor of oil producers and mineral rights holders in a challenge to a county ordinance banning oil and gas wastewater injection and impoundment and drilling of new oil and gas wells. The plaintiffs argued the ordinance was preempted ...

A district court granted in part and denied in part North Dakota's motion for preliminary injunction in a lawsuit concerning BLM's "pause" on nearly all quarterly lease sales of federal land in the state for oil and gas exploration in 2021 and 2022. North Dakota argued the "pause" or "cancellation" ...

A district court denied emergency motions brought by environmental groups, ranchers, and tribes to halt construction of a lithium mine near Thacker Pass, Nevada, pending appeal. The plaintiffs initially argued BLM's approval of the mine violated FLPMA, NEPA, and the National Historic Preservation Ac...