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 ...

The Ninth Circuit, 2-1, denied environmental groups' petition to review the Bonneville Power Administration's (BPA's) decision setting power rates for the 2022-2023 fiscal period. The groups argued BPA violated the Northwest Power Act (NWPA) by setting rates that failed to comply with its duty to pr...

The Second Circuit affirmed summary judgment for NMFS in a challenge to its 2020 allocation rule setting summer flounder quotas for eleven states. The state of New York argued that by failing to allocate a higher quota to New York, the rule failed to account for the long-term movement of summer flou...

The Sixth Circuit affirmed dismissal of a lawsuit concerning a dam collapse in Michigan. Property owners who live downstream of the dam argued the U.S. government negligently entrusted operation of the dam to an unfit operator. A district court held the government was entitled to sovereign immunity ...

A district court denied an environmental group's motion for summary judgment in a challenge to FWS' 2019 decision to reclassify the American burying beetle under the ESA from endangered to threatened. The group argued the Service violated the ESA by downlisting the beetle based on inadequate data an...