Minnesota's high court upheld an appellate court ruling in favor of a county's zoning ordinance that bans all industrial-mineral mining, including silica-sand mining.

The D.C. Circuit dismissed as untimely Maryland's petition to review the Federal Aviation Administration's (FAA's) approval of new flight paths to Washington National Airport.

The Fourth Circuit upheld a district court order that remanded to state court the city of Baltimore's climate change case against oil companies.

The Tenth Circuit held that the Forest Service's decision to eliminate an alternative from its study of an exception to the Colorado Roadless Rule that allowed coal mining on previously protected national forest land near the North Fork of the Gunnison River was arbitrary and capricious.

A district court held that the Forest Service violated NEPA, the Alaska National Interest Lands Conservation Act (ANILCA), and the National Forest Management Act (NFMA) when it authorized timber harvesting in the Tongass National Forest.

A district court denied summary judgment to the U.S. government in a lawsuit concerning California's cap-and-trade agreement with Quebec. The government argued the agreement violated the Treaty Clause of the U.S.

A district court vacated an EA prepared by OSM for a coal mine expansion in south-central Montana. Environmental groups argued that OSM violated NEPA by failing to adequately consider the risk of train derailments from the increased rail traffic that would result.

A district court held invalid an amendment to the city of Toledo's charter that gave legal rights to Lake Erie. A local family farm argued the amendment was unconstitutionally vague and thus that it should be invalidated.

A district court held that a Texas right-of-first-refusal law giving existing electricity transmission providers in the state a preference to build and operate new lines is constitutional.