This report provides the first national-level approximation of priority sources and actions to address air pollution while maximizing synergies with climate mitigation and managing trade-off challenges. The study uses mean population exposure as the best approximation of air quality impact...

This report provides the first national-level approximation of priority sources and actions to address air pollution while maximizing synergies with climate mitigation and managing trade-off challenges. The study uses mean population exposure as the best approximation of air quality impact...

In 2003, the Environmental Protection Agency formally refused to regulate greenhouse gas emissions from automobiles, explaining that it had no authority under the Clean Air Act to undertake such regulation and that it would, in any event, decline to exercise such authority for various policy...