ClimateBiz: U.S. EPA Administrator Stephen Johnson has issued a memorandum saying that carbon dioxide is not a pollutant that is subject to regulation when approving new power plants. Johnson’s 19-page memo last Thursday produced a swift reaction from the Natural Resources Defense Council, which said the finding flies in the face of a November decision by the EPA’s Environmental Appeals Board rejecting the same line of reasoning Johnson laid out in his memo. “It’s a marvel to behold an EPA …