Federal actions like the 1970 Clean Air Act and the 1972 Clean Water Act helped regulate water and air pollution.

Known as the “endangerment finding,” the 2009 declaration has served as the basis for federal rules limiting greenhouse gas ...

Heatwaves have become more frequent as the world cleans up harmful aerosol pollution, unmasking more of the warming effects ...

Advocacy group Clean Air Now said the EPA’s move is “a good step” but called on the agency to enforce stricter standards and ensure violations are detected and that air pollution monitors ...

UCLA researchers have launched a new network of air pollution monitors for northwest L.A. areas near the Palisades fire.

There are persistent air pollution disparities in the U.S. While the air in the U.S. has been getting steadily cleaner since the Clean Air Act was passed in 1970, socioeconomic disparities persist.

Turning a personal pain point into a scalable venture demands local focus, strong networks, and a deep connection to the ...

This is not a seasonal blip — this historic outcome is the result of consistent, coordinated, and no-nonsense execution,” ...

Air pollution does more than foul our air—it fouls our water. But Congress has the abiliity to fight pollution on both fronts. There is only one inspector for every 352 permitted air pollution ...

Twenty years later Congress passed the Clean Air Act Amendments of 1990, which increased the Environmental Protection Agency’s authority to reduce the pollution responsible for acid rain ...

Efforts to clean up air pollution in China and across East Asia may have inadvertently contributed to a spike in global warming, a new study has found. The decline in aerosol emissions — which can ...