During the early 1970s, the air in many American cities was … brown. Pollution muddied clear skies and sickened people across ...

The Clean Air Act has protected the air we breathe for four decades. By curbing air pollution it has saved many thousands of human lives and improved public health, all while saving money and ...

An analysis of data from 1999 through 2023 shows 93% of parks and wilderness areas saw improved air quality on clear days.

March 27 (UPI) --The Environmental Protection Agency is allowing entities subject to the Clean Air Act to seek exemptions via email through Monday while the agency reconsiders relevant rules.

Wisconsin’s air quality is actually better than ever recorded, but now the Clean Air Act’s standards call for even greater ...