The court holds that the U.S. Fish and Wildlife Service's (FWS') petition management guidance policy violated the plain terms of the Endangered Species Act (ESA) and that the Secretary of the Interior improperly relied on the policy when she refused to issue 12-month findings in response to the grou...

The court holds that the Surface Mining Control and Reclamation Act (SMCRA) §1272(e) prohibits subsidence and underground mining activities that might lead to subsidence in parks and protected areas. The Secretary of the Interior interpreted §1272(e), which prohibits surface coal mining operations...

The court holds that property owners and residents failed to satisfy Endangered Species Act (ESA) §11 notice requirements in their suit against the Federal Emergency Management Agency (FEMA) concerning an emergency housing project's alleged taking of endangered and threatened turtle species, but th...

The court holds that the U.S. Fish and Wildlife Service (FWS) arbitrarily and capriciously listed several subpopulations of bull trout as endangered under the Endangered Species Act (ESA). In 1994, FWS concluded that listing the bull trout as a species was warranted but precluded. Then, in response ...

The court holds that the U.S. Environmental Protection Agency's (EPA's) use of the toxicity characteristic leaching procedure (TCLP) to measure compliance with the Resource Conservation and Recovery Act (RCRA) treatment standard for spent potliner is arbitrary and capricious. Spent potliner is a byp...

The court vacates two Court of International Trade orders that were issued after an environmental group withdrew its motion to enforce the Court of International Trade's ruling pertaining to the enforcement of turtle excluder device regulations under §609 of the U.S. Departments of Commerce, Justic...

The court holds that the Equal Access to Justice Act (EAJA) applies to a mining claim contest proceeding concerning the validity of miners' mining and milling site claims in the Payette National Forest. The court first holds that the Administrative Procedure Act, 5 U.S.C. §554, governs the mining c...

The court dismisses strict liability, nuisance, trespass, and Resource Conservation and Recovery Act (RCRA) claims filed against the former sublessee of contaminated property where an underground storage tank (UST) leaked. The former sublessee operated a gasoline station at the site, which was next ...

The court remands a municipality's request for litigation costs relating to its successful challenge of a U.S. Environmental Protection Agency (EPA) Clean Air Act (CAA) rule establishing new source performance standards for the combustion of municipal solid waste. The court first holds that the muni...

The court holds that various federal agencies violated the Endangered Species Act (ESA) and the National Environmental Policy Act (NEPA) in their preparations of biological assessments (BAs), biological opinions (BOs), and environmental impact statements (EIS) with respect to the survival of the Son...