Almost four out of every 10 people in the US live in an area where air pollution is considered bad enough to put their health ...

The xAI data center began operating last year, powered by pollution-emitting gas turbines, without first applying for a ...

A study by UC San Diego researchers reveals that pollutants found in the sewage-laden Tijuana River are ending up in the air near the U.S.-Mexico border in San Diego County.

California remains committed to zero-emissions trucking. But Trump's hostility to the idea means it will require creative ...

Thousands of people in southern California were advised to remain indoors as "emergency" air quality conditions hit parts of the Coachella Valley.

The state’s latest lawsuit charges the administration with illegally targeting its authority to set tougher vehicle-emission ...

Environmental advocates say the EPA’s proposal is an escalation in the Trump administration’s ongoing push against climate ...

Many factors impact air quality in the Los Angeles metropolitan area including particulate pollution from vehicles, factories, refineries, household combustibles and wood burning. Other common ...

Lee Zeldin, the E.P.A. administrator, said erasing regulations would produce jobs and lower electricity costs. He called ...

President Donald Trump signed a resolution on Thursday that blocks California’s first-in-the-nation rule banning the sale of ...

The International Energy Agency estimates that 70 percent of the fossil fuel sector’s methane emissions could be cut with ...

Residents in the Los Angeles Basin may notice low-flying NASA aircraft later this month as part of a mission to study air ...