A district court granted interim injunctive relief for environmental groups in a lawsuit concerning the Army Corps of Engineers' operation of dams in the Willamette River Basin. The groups…

A district court granted summary judgment for conservation groups in a lawsuit alleging that the Army Corps of Engineers' continued operation and maintenance of a flood control project in the…

A district court held that FWS must reconsider its approval of a proposed open-pit copper mine in the Coronado National Forest. An environmental group argued the agency improperly used a…

A district court granted environmental groups' motion to set aside FEMA's biological evaluation to determine whether proposed revisions to the National Flood Insurance Program would…

A district court held that the National Marine Fisheries Service (NMFS) violated the Marine Mammal Protection Act (MMPA), the ESA, and NEPA when it authorized the U.S. Navy to take large numbers…

The Ninth Circuit affirmed a lower court decision rejecting claims that the National Marine Fisheries Service (NMFS) violated the ESA when it placed commercial fishing restrictions on sub-regions…

The Ninth Circuit held that the FWS' determination that a proposed mining project in northwest Montana would result in "no adverse modification" to critical bull trout habitat and…