Author: Richard E. Peltier, Professor of Environmental Health Sciences, UMass Amherst

The Trump administration is “reconsidering” more than 30 air pollution regulations, and it offered industries a brief window to apply for exemptions that would allow them to stop following many air quality regulations immediately if approved. All of the exemptions involve rules finalized in 2024 and include regulations for hazardous air pollutants that cause asthma, […]

The Trump administration announced on March 12, 2025, that it is “reconsidering” more than 30 air pollution regulations in a series of moves that could impact air quality across the United States. “Reconsideration” is a term used to review or modify a government regulation. While Environmental Protection Agency Administrator Lee Zeldin provided few details, the […]