A district court ruled for environmental groups in a challenge to FWS' 2024 finding that listing a distinct population segment (DPS) of gray wolves in the western United States under the ESA was not warranted. The groups argued FWS failed to consider a "significant portion" of the gray wolf's range ...

A district court granted in part and denied in part environmental groups' motion for a temporary restraining order (TRO) in a challenge to the federal government's construction and operation of a mass immigrant detention and deportation facility in the Florida Everglades. The groups argued construct...

The Eleventh Circuit affirmed dismissal of a CWA citizen suit brought against a hotel owner for filling a nearby wetland. Environmental groups argued the hotel violated the CWA by failing to comply with Nationwide Permit 39 and failing to comply with Georgia's water quality certification. The hotel ...

The D.C. Circuit affirmed dismissal of a challenge to an FWS rule downlisting the American burying beetle from endangered to threatened and to its ESA §4(d) rule establishing protections for conservation of the beetle based on the downlisting. An environmental group argued the downlisting rule...

The D.C. Circuit denied environmental groups' petition to review FERC's approval of 1,000 feet of natural gas pipeline along the Texas-Mexico border. The groups argued FERC needed to exercise jurisdiction over a much longer stretch that begins at the 1,000-foot border pipeline and runs for 157 miles...

The D.C. Circuit denied petitions to review EPA's 2024 rule establishing an allocation methodology for hydrofluorocarbon (HFC) allowances for years 2024 through 2028 under the Agency's cap-and-trade program. Refrigerant manufacturers argued Congress violated the nondelegation doctrine when it grante...

A district court granted in part and denied in part summary judgment for conservation groups in a challenge to FWS' approval of a watershed restoration project in the Mattamuskett National Wildlife Refuge. The groups argued FWS violated the National Wildlife Refuge System Improvement Act and NEPA wh...

A district court denied summary judgment for builder and fossil fuel groups in a challenge to New York statutory amendments prohibiting installation of fossil fuel equipment and systems in certain new buildings. The groups argued the amended statutes were preempted by the Energy Policy and Cons...

A district court denied environmental groups' motion for a preliminary injunction in a challenge to the Forest Service's and FWS' approval of a logging project in Flathead National Forest. The groups argued FWS failed to adequately address cumulative impacts to grizzly bears in the biological opinio...

A district court granted in part and denied in part environmental groups' motion for summary judgment in a challenge to the Army Corps of Engineers' and FWS' permitting of a proposed multi-use development project in California. The groups argued FWS violated the ESA by failing to fully consider impa...