University of Dayton students in a pilot biology course combated air pollution by speaking with local politicians, publishing letters in newspapers and studying the effects of dirty air on human ...

Marathon runners consistently finished slower in cities with higher levels of dangerous particles in the air, researchers found.

Air in the U.S. has gotten cleaner for decades, adding years to people's lives and preventing millions of asthma attacks, but nearly half of Americans still live with unhealthy air pollution, a new ...