Soot

The Trump administration threatens to cut federal highway dollars for California over air pollution.

The lawsuit comes two days after the Trump administration revoked California's ability to set its own rules for automobiles. The state's top prosecutor blasted the move as "arbitrary and capricious."

Hotter neighborhoods tend to be poorer in dozens of major U.S. cities. That extra heat can have serious health effects for those living there.

Smog can spike during hot days. A new study finds that the effects of breathing air pollution may be cumulative. Long-term exposure may lead to lung disease, even among people who've never smoked.

In an East Room event that played like a campaign rally, President Trump touted his push for clean air and "crystal clear" water. He made no mention of climate change, a growing concern for voters.

A new report by the American Lung Association gives Franklin County's air quality a failing grade due to the high number of air quality alerts last year.…

A study ties an estimated 4,300 premature deaths a year to the air pollution caused by corn production in the U.S. In some regions, the per-bushel health costs exceed the corn's market price.

Some panel members said they don't agree that breathing sooty air can cause premature death. The panel's draft recommendations to the EPA would change how it assesses the dangers of air pollution.

Blacks and Hispanics are exposed to higher levels of air pollution than whites, yet whites consume more of the goods and services that cause it, according to new research.

The Ohio EPA is seeking from the federal government a new air quality designation for central Ohio that the American Lung Association has consistently…