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.

A district court dismissed a lawsuit concerning BLM's March and December 2018 oil and gas lease sales in southeastern Utah.

A district court denied summary judgment to an environmental group challenging the U.S. Army Corp of Engineers' issuance of a CWA §404 permit for development of an additional portion of an existing residential subdivision in Virginia Beach.

A district court granted a pipeline company's motion for partial summary judgment in a lawsuit concerning a Virginia county board's denial of the company's request to traverse floodplains to construct an interstate natural gas pipeline.

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.