The court holds that it has subject matter jurisdiction over an environmental group's Clean Air Act (CAA) citizen suit that alleged emission and reporting violations at a refinery. The court…

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…

The court remands a municipality's request for litigation costs relating to its successful challenge of a U.S. Environmental Protection Agency (EPA) Clean Air Act (CAA) rule establishing new…

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…

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…

The court denied a petition to review the U.S. Environmental Protection Agency's (EPA's) approval of a revision to Missouri's state implementation plan (SIP) that replaced four area…

The court affirms a district court decision enjoining further construction on a Kansas highway project until the Federal Highway Administration (FHwA) completes a National Environmental Policy Act…

The court holds that it lacks subject matter jurisdiction to review environmental groups' Federal Water Pollution Control Act (FWPCA) citizen suit against a mining company allegedly…

The court denies petitions to review a U.S. Environmental Protection Agency (EPA) rule that conditionally allows foreign gasoline refiners to establish and use individual baselines reflecting…

The court holds that under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), the former owners of a contaminated site in Georgia are liable for the disposal of…