The D.C. Circuit granted environmental groups' motion for writ of mandamus to require EPA to complete its effects determination for the registered pesticide cyantraniliproles. The groups…

In an amended order, a district court granted FWS' and NMFS' motion to voluntarily remand a series of regulations enacted by the Trump Administration that modified how the Services…

A district court granted DOD's motion to dismiss a challenge to its decision to halt fence construction along the U.S.-Mexico border in response to President Biden's proclamation…

The Ninth Circuit, 2-1, reversed summary judgment for the Bureau of Reclamation and Santa Maria Water District in a lawsuit concerning the endangered Southern California steelhead. Environmental…

A district court denied summary judgment for a Maine lobstermen group in a challenge to NMFS' 2021 biological opinion (BiOp) that both authorized a series of federal fisheries, including the…

A district court remanded a lawsuit challenging FWS’ decision to downgrade a rare species of parrot from endangered to threatened and to issue a §4(d) rule under the ESA allowing for limited…

A district court on remand granted environmental groups' request for a permanent injunction in an ESA citizen suit concerning a logging project on private land in Oregon. In initial…

The Tenth Circuit affirmed dismissal of a challenge to FWS' 2018 decision to modify certain trails in the Rocky Flats National Wildlife Refuge. Community groups argued the modifications were…

A district court granted summary judgment for conservation groups in a challenge to NMFS' 2021 issuance of a biological opinion (BiOp) and final rule concerning lobster fishing gear…

A district court vacated a series of regulations enacted in 2019 that modified how FWS and NMFS implement the ESA. Environmental groups, states, and cities argued the regulations violated the ESA…