Particulate Air Pollution — An Old Story Made Newer, and More Local, in 2023
Earlier this month, the U.S. Environmental Protection Agency set in motion a long-overdue requirement to update a key Clean Air Act rule involving fine particulate air pollution, or PM 2.5. The latest TipSheet reviews PM 2.5’s health harms and its checkered regulatory history, while offering story ideas and key resources on how to tell the story locally.