The court holds that under the Clean Air Act (CAA), federal entities cannot remove to federal court state and local government actions to enforce air quality laws. A California air quality…

The court holds that a railroad's motion to dismiss a power company's Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) cost recovery action against it for…

The court holds that the U.S. Environmental Protection Agency's (EPA's) regulations implementing Clean Air Act (CAA) amendments properly delegated to Native American nations authority to…

The court holds that developers' sidecasting of dredged spoil in a jurisdictional wetland constitutes the discharge of a pollutant under the Clean Water Act (CWA). The court first holds that…

The court holds that environmental groups have standing to bring a Clean Air Act (CAA) action against a Texas oil refinery for violating hydrogen and sulfur dioxide emission standards and further…

The court holds that an aluminum manufacturer is not entitled to a share of pollution emissions allowances allocated to an electric power plant under the Clean Air Act (CAA). The manufacturer…

The court upholds a district court decision ordering the upward adjustment of sentencing for three labor contractors who violated the Clean Air Act (CAA) and the Social Security Act in connection…

The court largely upholds a U.S. Environmental Protection Agency (EPA) rule mandating that 22 states and the District of Columbia revise their state implementation plans (SIPs) to mitigate ozone…

The court holds that the U.S. Environmental Protection Agency's (EPA's) decision to implement the direct federal underground injection control (UIC) program on certain New Mexico lands…

The court holds that the U.S. Environmental Protection Agency (EPA) did not exceed its discretion under §111 of the Clean Air Act (CAA) in promulgating new source performance standards (NSPS) for…