The court holds that a district court abused its discretion by abstaining from hearing property owner's Resource Conservation and Recovery Act (RCRA) claims against two petroleum companies. The court first holds that Florida's underground storage tank (UST) program is preempted to the extent there i...

The court affirms a district court's grant of summary judgment in favor of the U.S. Department of Commerce (DOC), finding that its denial of Connecticut's petition for rulemaking under the Magnuson-Stevens Act was not arbitrary or capricious and was consistent with all relevant law. Connecticut soug...

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 remands the U.S. Environmental Protection Agency's (EPA's) hazardous air pollutant emission standards for hazardous waste combustors to the Agency because the standards fail to reflect the emissions achieved in practice by the best performing sources as required by the Clean Air Act (CAA)....

The court holds that Massachusetts' environmental superlien statute, which allows the commonwealth to place a priority lien on property after spending money assessing or cleaning up a polluted tract of land, evades the Bankruptcy Code's automatic stay provision. The case arose after Massachusetts so...

The court denies an environmental group's petition to review the U.S. Environmental Protection Agency's (EPA's) approval of Maryland's revised motor vehicle emissions budget (MVEB) for the Baltimore ozone nonattainment area. In 1999, EPA determined that the MVEB in the state's attainment demonstrati...

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 upholds the conviction of a fertilizer company owner who allowed hazardous waste to be disposed of without a permit while knowing that his actions placed others in imminent danger of death or serious bodily injury, but the court vacates a district court order requiring the owner to pay a $...