The court holds that the Secretary of the Interior violated the Endangered Species Act (ESA) by failing to designate critical habitat for the silvery minnow. The Secretary claimed that he could not complete the minnow's critical habitat designation due to fiscal limitations imposed by Congress. The ...

The court holds unripe for review the Interior Board of Land Appeals' (IBLA's) ruling that the Office of Surface Mining Reclamation and Enforcement (OSM) lacks jurisdiction to order a mining company to reduce acid mine drainage seeping from a mining operation in West Virginia. The IBLA ruled that th...

The court holds that an electric utility lacks standing to petition for review a U.S. Environmental Protection Agency (EPA) final rule approving a revision to the new source review program of Pennsylvania's Clean Air Act (CAA) state implementation plan (SIP). The state's new source review program is...

The court upholds a U.S. Environmental Protection Agency (EPA) rule that allows the Agency to issue variances from general Resource Conservation and Recovery Act (RCRA) treatment standards if such standards would likely discourage aggressive remediation of previously disposed of hazardous waste. The...

The court holds that Eleventh Amendment sovereign immunity bars an environmental group's suit against a state environmental agency challenging the U.S. Fish and Wildlife Service's grant of a migratory bird depredation permit to the state agency. The court first holds that the state environmental age...

The court holds that a metal mining operator's claims against the U.S Environmental Protection Agency (EPA) for allegedly revising the Emergency Planning and Community Right-to-Know Act's (EPCRA's) toxic release inventory program as it applies to the mining industry without formal rulemaking are rip...

The court affirms a district court denial of summary judgment to a building industry association challenging the U.S. Fish and Wildlife Service's (FWS') listing of four species of fairy shrimp that live in vernal pools in California as endangered or threatened under the Endangered Species Act (ESA)....

The court affirms in part and reverses in part a district court grant of summary judgment in favor of the Bureau of Land Management (BLM) in a suit brought by an individual who alleged that a BLM transfer of federal lands in Nevada violated the Clean Air Act (CAA) and the National Environmental Poli...

The court holds that the Eleventh Amendment bars all but two claims brought by citizen groups in federal court against a state official accused of failing to implement, administer, enforce, and maintain a federally approved state coal mining program under the Surface Mining Control and Reclamation A...

The court holds that the Secretary of the Pennsylvania Department of Transportation and the Secretary of the Pennsylvania Department of Environmental Protection violated the Clean Air Act (CAA) by failing to implement state implementation plan (SIP)-required emission standards for the state's enhanc...