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...

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...

The Ninth Circuit, 2-1, affirmed a district court's grant of summary judgment for agricultural producers and businesses and a permanent injunction enjoining the California attorney general (AG) from enforcing Proposition 65's carcinogen warning requirement for the herbicide glyphosate. Plaintiffs ar...

The Eighth Circuit granted farming groups' petitions to review EPA's 2021 order banning agricultural use of the insecticide chlorpyrifos. The groups argued EPA's "rushed" decision to revoke all tolerances for chlorpyrifos, in response to a Ninth Circuit order directing the Agency to either revoke al...

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 Fifth Circuit affirmed summary judgment for the operator of a chemical storage facility in a lawsuit concerning the operator's 2019 oil spill into the Houston Ship Channel. Shipping companies that were forced to stop operations after the spill sued the operator, seeking economic loss damages und...

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...

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...