Environmentalists Split Over Best Clean Air Act Option To Regulate GHGs

Environmental groups are split over which Clean Air Act provisions are best for EPA to use in pursuing new greenhouse gas rules, with some advocating for a landmark carbon dioxide (CO2) national ambient air quality standard (NAAQS) that would apply nationwide while others press for sector-specific climate rules under a separate part of the law. Groups such as the Center for Biological Diversity (CBD) and 350.org want EPA to set a CO2 NAAQS, arguing that will give both the agency...