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 ...

The Trump administration has taken a major step toward revoking limits for greenhouse gas emissions from tailpipes and other ...

EPA is working on repealing major air‑pollution rules for fossil‑fuel power plants, including weakening protections against mercury and other toxic emissions.

Add Yahoo as a preferred source to see more of our stories on Google. FILE - The city center of Essen is seen through the fog as German Federal Environment Agency warns about poor air quality in ...

A study of more than 27 million older adults found that long-term exposure to fine particulate air pollution is directly associated with a higher risk of developing Alzheimer’s disease.

Last year, an explosion at U.S. Steel’s Clairton Coke Works outside Pittsburgh killed two U.S. Steel workers and injured 11 ...