Air pollution used to be much worse. In October of 1948, a thick, choking smog settled over the small Pennsylvania town of Donora. The town was home to two steel plants.

No pollution is good for anyone’s health, but a new study found that scientists may have significantly underestimated just how deadly pollution from coal-fired plants can be. It also shows how ...

Air pollution has fallen across the U.S. since the Clean Air Act of 1970. But some areas, like Los Angeles, still suffer heavy pollution from soot and smog. New rules on soot pollution from EPA ...

While the U.S. has made great progress improving air quality in recent decades, air pollution is still a driver of many serious health conditions both domestically and globally. According to a new ...