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 ...

MACH Engineering reports that industrial air pollution harms economies by increasing healthcare costs and reducing ...

In this undated file photo, steam and pollution rise on a cold day at the Arapaho Station Coal Power Plant, a coal fired power plant along the Platte River in Littleton, just outside Denver, Colorado.

KALAMAZOO, MI -- The city of Kalamazoo is adding new air quality sensors in neighborhoods to detect five types of pollution. Eight Air Quality Index sensors will be installed in Kalamazoo in the ...