What are the health effects of air pollution? Both ozone and particle pollution can cause a wide range of health problems ...

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

Smoke from the Ferguson Fire at Yosemite National Park makes skies above Fresno murky in 2018. Bee file photo ...

Multiple Texas metroplexes, including Dallas-Fort Worth, ranked among some of the worst areas for ozone pollution in the ...

There is some good news in this report. They found Phoenix’s particle pollution is seeing improvements. This type of ...

Residents across New York and New Jersey are dealing with poorer air quality than usual, but a new report revealed that even ...

They date back to the 1880s, when a newspaper article reported that “bad air was hurting the city’s reputation." Over the next century, a mixture of industrial pollution, car exhaust ...