Almost half of everyone who lives in the United States breathes unhealthy levels of air pollution, according to the American Lung Association’s annual State of the Air report, released Wednesday.

Tracy J. Wholf is a senior coordinating producer of climate and environmental coverage for CBS News and Stations, based in New York. When the Environmental Protection Agency was formed in 1970, its ...

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 ...

Extreme heat is making air pollution worse, scientists say. And President Trump’s regulatory rollbacks could drive air pollution even higher. By Claire Brown and Christina Kelso The heat dome that is ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...