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 factory air emissions harm health, environment, and businesses. Controlling emissions is vital for ...

Communities in Washington hit hardest by climate change may soon get state funding to improve air quality. Washington’s Department of Ecology is launching a new grant program this week to fund local ...