A district court granted environmental groups' motion to lift a stay of a suit challenging NMFS' biological opinion (BiOp) concerning oil and gas activity in the Gulf of Mexico. The groups initially argued NMFS issued a flawed BiOp that underestimated the risks of harm to protected species and took ...

The Fifth Circuit granted several states' petition to review DOE's 2022 rule repealing two 2020 rules concerning efficiency standards for dishwashers and washing machines. The states argued the repeal rule, which deleted the appliance categories for shorter-duration dishwashers and washing machines ...

A district court on remand ordered that a commercial wind farm constructed on Osage Nation land be removed in a challenge brought against the farm's developers. The federal government argued the developers engaged in unauthorized mining and excavation in the Osage mineral estate without first obtain...

A district court granted in part summary judgment for environmental groups in a challenge to a National Park Service (NPS) agreement with Miami-Dade County to facilitate development of a waterpark, hotel, and retail area near the Miami Zoo. The groups argued NPS violated NEPA and the ESA by failing ...

The Ninth Circuit reversed summary judgment for FWS in a challenge to its biological opinion (BiOp) concerning water pumping impacts on ESA-protected species in Arizona's San Pedro River Basin. An environmental group argued the BiOp, which concluded that a conservation easement proposed to compensat...

The Third Circuit denied three petitions for review in a long-running dispute over whether and to what extent state-subsidized energy resources should be subject to price mitigation in interstate capacity auctions. Energy generators and state public utilities commissions challenged FERC's acceptance...

A district court granted in part and denied in part environmental groups' motion to preliminarily enjoin the state of Montana's wolf trapping and snaring season as authorized by recently approved regulations. The groups argued the regulations, which expanded both the length of the season and the geo...

A district court granted FWS' motion for partial voluntary remand in a challenge to its decision to list the eastern black rail as threatened instead of endangered. Environmental groups argued FWS' decision, and related determination that designation of critical habitat for the rail was "not prudent...

A district court granted in part and denied in part federal agencies' motion for remand and partial vacatur in a challenge to a decision granting a right-of-way for construction of a new highway through the Red Cliffs National Conservation Area in Utah, a critical habitat for the Mojave Desert torto...

A district court denied a biologist's motion to preliminarily enjoin flood control releases from the Coyote Valley Dam into the Russian River to protect ESA-listed salmon species. The biologist sought to enjoin the Army Corps of Engineers from making flood control releases unless it determines that ...