Air quality alerts are in effect across L.A. after a warehouse fire sent smoke pollution into surrounding communities.

It has stopped criminal prosecutions of people who install “defeat devices,” which make diesel trucks faster and more ...

Circuit court finds the EPA under President Joe Biden had authority to issue stricter controls on fine particulate matter, ...

A federal appeals court on Friday rejected the Environmental Protection Agency’s attempt to abandon a Biden-era rule that ...

An imaging study found early signs of coronary artery disease in people in Canada breathing air that regulators consider ...

The federal government has settled a water pollution case against Chemours, which makes and uses toxic forever chemicals. The ...

In a highly unusual move, the Justice Department has asked a Mississippi court to throw out a lawsuit against Elon Musk’s ...

For many people with asthma, air-quality advisories are harbingers of worsening symptoms. But for reasons science has ...

More than 40 million depend on the Great Lakes for drinking water. Yet plastic pollution in the lake water isn’t regulated, ...

The city and community groups reached a settlement in 2023. It included the city-wide air monitoring network, which Chicago ...

Florida International University scientists have, for the first time, detected a toxic tire-derived chemical in Florida ...