U.S. Court of Appeals for the District of Columbia Circuit

Sierra Club and Natural Resources Defense Council, Inc. v. Environmental Protection Agency, Alabama Power Company, Kennecott Minerals Co., Tennessee Valley Authority, States of New York, State of Vermont, American Petroleum Institute, Intervenors. Commonwealth of Pennsylvania v. U.S. Environmental Protection Agency, and Anne M. Gorsuch, Administrator, States of New York, Alabama Power Co., State of Vermont, American Petroleum Institute, Intervenors. Sierra Club and Natural Resources Defense Council, Inc. v. Environmental Protection Agency, Alabama Power Company, American Petroleum Institute, Intervenors. Commonwealth of Pennsylvania v. U.S. Environmental Protection Agency, and Anne M. Gorsuch, Administrator, Alabama Power Company, American Petroleum Institute, Intervenors