The Clean Air Act (CAA) is now 55 years old—and shows its age. That's not a critique of its legacy. The law, in conjunction with innovation and private investment in environmental improvement, has ...

The lawyers who successfully won the law’s climate authority once thought of it as a placeholder for stronger legislation. Three presidents have used the Clean Air Act to curb planet-warming pollution ...

Thomas Jorling, adviser to Republicans who cosponsored the 1970 law, disputes the Trump administration’s claim that it shouldn’t apply to planet-warming greenhouse gases. Thomas Jorling with his dog, ...

The US Environmental Protection Agency has proposed to remove air emission regulations from plastic pyrolysis plants, also known as chemical or advanced recycling facilities, that break down plastic ...

The Clean Air Act’s outdated framework is hindering progress. New bills aim to modernize it with reforms aligned to today’s economic, environmental, and scientific realities. The Clean Air Act (CAA) ...