Pollution regulations began after the Environmental Protection Agency formed in 1970. The Trump administration has recently ...

Before the EPA, the US environment was not federally protected. Vintage photos show Los Angeles before regulations limited ...

The “State of the Air” report’s conclusions also spotlight a startling increase: Nearly 25 million more people are breathing ...

Los Angeles has struggled with air pollution problems since before smog became a term ... By 1974, they had taken 81,000 photos. The National Archives digitized nearly 16,000 and made them available ...

Air pollution is causing kids to have asthma attacks ... with smog and high levels of particulate pollution. Surreal photos of New York City then showed the city glowing under an eerie orange ...

The company’s turbines — enough to power 280,000 homes — run without emission controls in an area that leads Tennessee in ...

Out of the California cities that ranked the worst for ozone and particle pollution in 2025, the Fresno and Sacramento ...

Eduardo Munoz Alvarez Getty Images via TNS Did air quality improve in Sacramento? Fresno? Out of the California cities that ranked the worst for ozone and particle pollution in 2025, the Fresno ...