Ozone pollution isn’t just a summer story anymore. In parts of northern China, high ozone levels are now appearing during ...

Emissions of the five chemicals–CFC-13, CFC-112a, CFC-113a, CFC-114a and CFC-115—equaled 47 million metric tons of carbon dioxide emissions in 2020 alone, according to the study.

Chemicals banned from air conditioners and refrigerators are making a comeback — and scientists don’t know why. These chemicals create holes in the ozone layer and are powerful greenhouse gases.

Air pollution used to be much worse. In October of 1948, a thick, choking smog settled over the small Pennsylvania town of Donora. The town was home to two steel plants.

The researchers created a model to look at levels of air pollution called PM2.5 – also sometimes called particle pollution or particulate matter pollution – and levels of antibiotic resistance ...

Studies have linked short-term exposure to severe air pollution with an increased risk of outpatient visits or hospitalization for depression or anxiety.

Millions of Americans live in places with unhealthy levels of air pollution 04:21. Nearly 188,000 dementia cases in the U.S. each year may have been caused by air pollution, researchers estimate ...