The Tenth Circuit held that an Oklahoma city and a Texas city that entered into water contracts with one another lack standing to challenge Oklahoma's water appropriation permitting process as unconstitutional under the Commerce Clause. The claims at issue here are based on a substantive provisi...

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 through the Chicago Area Waterway System into Lake Michigan. The states presented sufficient evidence to d...

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 Magnuson-Stevens Fishery Conservation and Management Act, as amended by the Sustainable Fisheries Act, requires the NMF...

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 groundfish species off the coast of California, Oregon, and Washington. A lower court denied the association's m...

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 Management Area on the California-Nevada border. The groups claimed that the large-scale removal of horses...

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 species of fish, the northern pike, from a lake and its tributaries. The residents argued that the agency's ef...

A district court held that environmental groups lacked standing to challenge contracts a Department of Defense agency entered into to purchase fuel derived from Canadian oil sands recovered crude oil (COSRC). The groups argued that the contracts violated the Energy Independence and Security Act ...

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 to the U.S. Army Corps of Engineers and the U.S. Bureau of Reclamation, NOAA Fisheries concluded that the op...

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 Wyoming. The court previously held that the rule violated the ESA because it protected a listed species ...

A district court held that environmental groups lack standing to challenge BLM's approval of two quarterly oil and gas lease sales under the APA, NEPA, FLPMA, and the Mineral Leasing Act. The groups claimed that BLM failed to meaningfully address the issue of climate change in approving the leases, ...