The Ninth Circuit held that the Alaska National Interest Lands Conservation Act did not limit the Park Service from applying the hovercraft ban on the Nation River in the Yukon-Charley preserve. A plaintiff sought to use his hovercraft in a national preserve to reach moose hunting grounds. While sta...

The Fifth Circuit affirmed a district court ruling that Outer Continental Shelf Lands Act (OCSLA) safety regulations do not apply to contractors, subcontractors or service providers. The case concerned a fatal explosion during "hot work" on an oil rig in the Gulf of Mexico that killed three workers ...

The Tenth Circuit dismissed a challenge to a DOI rule governing hydraulic fracturing on federal and tribal lands, overturning a lower court ruling. In 2015, BLM finalized a fracking regulation that imposed new well construction, testing requirements, and chemical disclosure requirements, and increas...

The Tenth Circuit held that BLM's approval of coal leases in the Wyoming Powder River Basin violated NEPA. In its 2010 EIS for the leases, BLM concluded that there was no appreciable difference between the United States’ total carbon dioxide emissions under its preferred alternative and the no-act...

The Tenth Circuit held that a Wyoming law that imposed civil and criminal liability on those who cross private property to access adjacent land to collect resource data violates the First Amendment. In 2015, Wyoming enacted a pair of statutes that prohibited individuals from entering “open land fo...