California has decided to abandon its phase out of diesel trucks and requiring cleaner locomotives because of the incoming ...

Twelve Texas counties have recently exceeded federal air quality standards for particulate matter, commonly known as soot.

While Chevron’s new petrochemical furnace will lower its intensity of carbon emissions, it will also increase other harmful ...

As people return to the structures spared from Los Angeles wildfires, experts warn that they should be careful of the air ...

The lawsuit targets EPA's removal of a legal shield for unpermitted pollution stemming from plant emergencies.

The creation of the list of five toxic air contaminants is the result of a years-long effort from environmentalists and ...

An Environmental Protection Agency action expected Wednesday will unfreeze $150 million in paused Fairbanks-area road ...

Federal environmental regulators have proposed a new rule to slash carcinogenic air pollution from chemical plants prevalent ...

Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily ...

Air quality in wildfire-stricken Los Angeles improved on Thursday from hazardous peaks hit earlier this month, as tiny soot ...

Utah’s newest GOP senator John Curtis praised President Donald Trump’s nominee to serve as administrator of the U.S.

The Air Quality Index (AQI) can tell you a lot about the health of the environment, but there are still measures you can take ...