A district court, in a 279-page opinion, held that NOAA-Fisheries' 2009 biological opinion (BiOp) and reasonable and prudent alternative (RPA) addressing Central Valley Project and State…

The Seventh Circuit denied various states' motion to issue a preliminary injunction compelling the U.S. Army Corps of Engineers to prevent the emigration of invasive silver and bighead carp…

The Ninth Circuit upheld the denial of animal rights groups' motion to preliminarily enjoin DOI from rounding up, destroying, or auctioning off wild horses and burros in the Twin Peaks Herd…

The D.C. Circuit upheld a lower court decision dismissing an environmental group's action challenging FWS' and the National Park Service's plan for managing elk and bison…

A district court upheld the constitutionality of an appropriations rider that reinstated an FWS rule that removed ESA protections for the Northern Rocky Mountain gray wolf in all areas outside of…

A district court held that NOAA Fisheries' 2008/2010 biological opinion (BiOp) for the Federal Columbia River Power System is arbitrary and capricious under the ESA. In the BiOp it issued…

A California appellate court reversed a lower court decision certifying residents' class action lawsuit against the state wildlife agency in connection with efforts to eradicate an invasive…

The D.C. Circuit held that a single sighting of a protected species is insufficient to render a property "occupied" for purposes of designating critical habitat under the ESA. In 2007,…

The D.C. Circuit vacated the National Marine Fisheries Service's (NMFS') methodology for tracking bycatch in the fisheries off the Northeastern coast of the United States. The…

The Ninth Circuit held that a seafood processor association may not intervene in environmental groups' lawsuit challenging the National Marine Fisheries Service's program to preserve…