The Court reversed the Fourth Circuit's grant of summary judgment in favor of a coal-fired power plant operator charged with violating the Clean Air Act's (CAA's) prevention of significant deterioration (PSD) regulations. The CAA's PSD and new source performance standards (NSPS) provisions both cove...

The Second Circuit upheld the dismissal of rescue, search, and cleanup workers' substantive due process complaint against federal officials for knowingly issuing false statements about air quality safety in the aftermath of the September 11, 2001, terrorist attacks of the World Trade Center. The wor...

The court holds that a U.S. Environmental Protection Agency (EPA) regulation that creates a 12-month grace period exempting transportation projects in nonattainment and maintenance areas from Clean Air Act (CAA) §176(c) is contrary to the plain meaning of the CAA. The court first holds that an envi...

The court affirms the U.S. Environmental Protection Agency's (EPA's) decision to redesignate the Cleveland-Akron-Lorain, Ohio, area as a Clean Air Act (CAA) attainment area for ozone. The court first holds that an organization of manufacturers and local governments from the Pittsburgh-Beaver Valley,...

The court holds that the U.S. Environmental Protection Agency's (EPA's) adoption of a rule requiring compliance assurance monitoring (CAM) of major emission sources complies with the Clean Air Act (CAA) §114(a)(3)'s enhanced monitoring requirements. The court first holds that EPA's adoption of CAM ...

The court reverses a district court's dismissal of a peat company's Federal Water Pollution Control Act (FWPCA) §404 and takings claims against the federal government concerning a proposed §404 permit. The court first holds that the district court erred in finding that it did not have subject matt...

The court grants summary judgment to a company that allegedly violated its Federal Water Pollution Control Act (FWPCA) §404 permit by filling wetlands in contradiction of its mitigation plan. The U.S. Army Corps of Engineers authorized the company's filling and mitigation plan under Nationwide Perm...

The court holds that a district court has jurisdiction under the Quiet Title Act (QTA) to review an Interior Board of Land Appeals' (IBLA's) decision that a Native American's claim for an allotment of land under the Native Allotment Act takes precedence over a state's earlier right-of-way grant in t...

The court holds that a county's sewage treatment plant violated Federal Water Pollution Control Act (FWPCA) §301(a) by discharging heat into a stream located near environmental group members' homes. The court first holds that according to the plant's monitoring reports, the plant's effluent exceede...

The court holds that the U.S. Army Corps of Engineers has jurisdiction under the Migratory Bird Rule to require a consortium of municipalities to obtain a Federal Water Pollution Control Act (FWPCA) §404 permit before filling ponds and lakes on a proposed landfill site. The court first holds that t...