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 ...

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 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...