The Ninth Circuit affirmed summary judgment for BLM in a challenge to its 2017 offer and sale of oil and gas leases in the National Petroleum Reserve-Alaska.

The Tenth Circuit affirmed a district court ruling that remanded to state court a climate change lawsuit against oil companies for contributing to global warming-related damage in Colorado.

The Tenth Circuit held that EPA erred in denying an environmental group's petition to review the renewal of a state-issued Title V operating permit for a coal-fired power plant in Utah.

A district court dismissed for lack of subject matter jurisdiction a suit concerning EPA's CAA obligations to regulate pollution from coke ovens.

A district court vacated the Army Corps of Engineers' decision to grant an easement under the Mineral Leasing Act for the Dakota Access Pipeline, which runs from North Dakota to Illinois, after previously ruling that the Corps must prepare an EIS for the pipeline to comply with NEPA.

A district court denied a motion to preliminarily enjoin the Forest Service from constructing a recreation trail across private property located in the Sawtooth National Recreation Area.

A district court granted in part summary judgment for nonprofit groups in a suit concerning a logging project in the Helena-Lewis and Clark National Forest.

A district court granted EPA's cross-motion for summary judgment in a lawsuit concerning the Agency's issuance of a temporary policy that scaled back enforcement efforts during the COVID-19 pandemic.

The North Dakota Supreme Court affirmed a lower court ruling upholding the North Dakota Department of Environmental Quality's issuance of an air quality permit to construct a refinery.

A district court granted in part and denied in part cross-motions for summary judgment in a lawsuit seeking FOIA disclosure of records concerning Yellowstone National Park's policy on the size of its bison population.