EPA Risk Finding Could Spur Rules To Target Threat From Multiple GHGs

EPA's landmark proposed finding that current levels of greenhouse gas (GHG) emissions endanger human health and welfare opens the door to regulating six GHGs as a group, and says emission sources that contribute even small amounts to the global GHG total are possible targets for regulation. Agency officials and environmentalists say elements of the proposal signal that EPA appears to have broad flexibility in whatever steps it takes through regulation or other means to reduce GHGs, in particular for mobile...