The Fifth Circuit denied environmental groups' petition to review DOT's approval of a license to construct and operate a large deepwater oil facility off the Texas coast. The groups argued the final EIS applied a "flawed" alternatives analysis and "grossly underestimated" the facility's environmenta...

A district court granted in part and denied in part summary judgment for a conservation group in a challenge to the National Park Service's (NPS') delayed implementation of a marine reserve zone and commercial fishing phaseout in Biscayne National Park in Florida. The group argued NPS violated the A...

A district court granted in part and denied in part summary judgment for an animal rights group in a lawsuit concerning BLM's adoption of four 10-year management plans for controlling wild horse populations in certain herd management areas. The group argued BLM exceeded its statutory authority under...

A district court granted summary judgment for 21 states in a challenge to the Federal Highway Administration's (FHwA's) rule requiring each state to set declining targets for tailpipe carbon dioxide (CO2) emissions from vehicles on the National Highway System. The states argued requiring automobile ...

A district court denied summary judgment for Native American tribes in a challenge to EPA's approval of Minnesota's 2021 revised water quality standards. The revisions replaced quantitative standards with qualitative narrative standards that describe the characteristics Minnesota waters must have to...

A district court granted in part and denied in part animal rights groups' motion for summary judgment in a challenge to BLM's recent roundup of wild horses at the Pancake Complex in eastern Nevada. The groups argued BLM violated the Wild Free-Roaming Horses and Burros Act (WHA) by failing to approve...

The U.S. Supreme Court unanimously held that Texas property owners should be permitted to pursue claims under the Takings Clause through an inverse-condemnation cause of action available under Texas law. Over 120 property owners argued that a Texas highway elevation and expansion project, which buil...

The Fifth Circuit vacated two orders EPA issued under TSCA that prohibited a plastics company from manufacturing or processing long-chain perfluoroalkyls (PFAS) during its fluorination process. In March 2022, EPA charged that the company's fluorination process was subject to a recently promulgated s...

The U.S. Supreme Court unanimously held that the Takings Clause does not distinguish between legislative and administrative land use permit conditions, in a lawsuit concerning a traffic impact fee as a condition of building a prefabricated home on a parcel of land. The landowner challenged the fee a...

In an unpublished opinion, the Ninth Circuit affirmed in part and reversed in part summary judgment for FWS in a challenge to the Service's issuance of an incidental take regulation for polar bears living along Alaska's Beaufort Sea. Environmental groups argued FWS failed to satisfy the Marine Mamma...