The U.S. Supreme Court held, 7-1, that an appellate court erred in concluding it lacked jurisdiction to consider all of energy companies' grounds for removing to federal court a climate liability lawsuit brought against them.

The First Circuit affirmed a district court's denial of a preliminary injunction in a challenge to the Army Corps of Engineers' decision to authorize construction of a segment of an electric transmission line project in Maine.

In an unpublished opinion, the Ninth Circuit affirmed summary judgment for the Forest Service in a lawsuit concerning domestic sheep grazing in the Beaverhead-Deerlodge National Forest.

The Ninth Circuit remanded, 2-1, a rule EPA promulgated in 2019 in response to the court's 2017 writ of mandamus directing the Agency to respond to the need for updated lead-based paint hazard standards.

The Ninth Circuit reversed summary judgment for FWS in a challenge to the Service's rule requiring that affected states receive a 30-day notice of intent to file a petition to list an endangered species.

A district court granted summary judgment for the Forest Service and FWS in an ongoing dispute over a tree-thinning project in Shasta-Trinity National Forest.

A district court denied environmental groups' motion to reconsider its prior decision in a lawsuit concerning DOI's renewal of mining leases for a proposed copper-nickel mine in northeastern Minnesota.

A district court granted summary judgment for a utility company in a lawsuit concerning groundwater discharges from coal ash ponds at its power plant in Kentucky.