The Ninth Circuit upheld FWS regulations issued under the Marine Mammal Protection Act (MMPA) that authorize the incidental take of polar bears and Pacific walruses resulting from oil and gas…

A district court upheld a NMFS biological opinion (BiOp) concluding that EPA's registration decisions under FIFRA for three insecticides—chlorpyrifos, diazinon and malathion—were likely to…

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…

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 district court held that the FWS' biological opinion (BiOp) for the U.S. Army's proposed ongoing and future operations at Fort Huachuca—a major military installation in southeastern…

A district court, on a motion to amend judgment, extended the FWS' deadline for completing its biological opinion (BiOp) for the threatened delta smelt as well as the Bureau of Reclamation…

The Fourth Circuit held that a biological opinion issued by the National Marine Fisheries Service as part of EPA's process of reregistering the insecticides chlorpyrifos, diazinon, and…

A district court upheld the FWS' biological opinion and the U.S. Forest Service's EIS and record of decision for the Idaho Roadless Rule. The court therefore denied environmental…

The Ninth Circuit held that FWS' biological opinion addressing a hatchery project's impact on the bull trout in the Columbia River violates the ESA. Although the hatchery project is…

The court holds that the National Marine Fisheries Service (NMFS) acted arbitrarily and capriciously in concluding that proposed timber sales were not likely to jeopardize the continued existence…