A district court denied a Native American tribe's request to lift a stay in a lawsuit against the Bureau of Reclamation seeking to protect endangered coho salmon from the impacts of an…

The Fifth Circuit dismissed a challenge to FWS' constitutional authority to regulate activities affecting the Bone Cave harvestman, a small arachnid known to live only in caves in central…

A district court dismissed for lack of standing a challenge to FWS' and NMFS' issuance of rules that revised key requirements of ESA's implementing regulations. Conservation groups…

A district court denied FWS' and NMFS' motion to dismiss a challenge to the agencies' issuance of rules that revised key requirements of the ESA's implementing regulations.…

A district court amended a previous order that vacated a nationwide permit (NWP 12) reissued by the U.S. Army Corps of Engineers and enjoined the Corps from authorizing any dredge or fill…

A district court preliminarily enjoined the Bureau of Reclamation from expanding water export operations in California's Central Valley based on biological opinions (BiOps) adopted by NMFS…

A magistrate judge granted in part and denied in part the Forest Service's and FWS' motion to dismiss a lawsuit concerning a Forest Service policy that allows states to decide whether…

The Ninth Circuit affirmed summary judgment for DOD in a challenge to construction and operation of a new aircraft base in Okinawa, Japan, and its potential adverse effects on the endangered…

A district court ordered the Massachusetts Executive Office of Energy and Environment Affairs (MEOEEA) to seek an incidental take permit pursuant to the ESA before issuing licenses that allow…

A district court vacated a nationwide permit reissued by the U.S. Army Corps of Engineers that allowed for construction of the Keystone XL Pipeline across waterways. Environmental groups argued…