The Biden administration likely will face a tough climb in the courts and on the ground if it tries to push for national ambient air limits on greenhouse gases, experts and lawyers say.
Acting Environmental Protection Agency Administrator Jane Nishida wrote last week that the agency “did not fully and fairly assess the issues raised” by a 2009 petition to set National Ambient Air Quality Standards, or NAAQS, for carbon dioxide. The standards are the cornerstone of air pollution law under the Clean Air Act.
Then-EPA administrator Andrew Wheeler denied the petition from the Center for Biological Diversity ...