The court holds unlawful a U.S. Department of Commerce fishing quota that allocates the summer catch of scup on a state-by-state basis for Massachusetts, New York, and Rhode Island. Massachusetts argued that the quota was based on incomplete historical data that reflected only scup landings from lar...

The court holds unlawful U.S. Environmental Protection Agency (EPA) regulations that allow both local approval and federal funding of transportation projects that fail to satisfy the Clean Air Act's (CAA's) state implementation plan (SIP) conformity requirements. The court first holds that the EPA r...

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 a U.S. Environmental Protection Agency (EPA) rule establishing a bifurcated schedule for hazardous waste combustors to comply with strict new emission standards is arbitrary and capricious. The rule, promulgated under the Clean Air Act (CAA) and the Resource Conservation and Rec...

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 vacates the Environmental Protection Agency's (EPA's) approval of a county's Clean Air Act (CAA) new source review (NSR) program because EPA did not adequately assess whether the revised program would meet current attainment requirements. Before EPA approved the county's revised NSR progra...

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...