Air in the U.S. has gotten cleaner for decades, adding years to people's lives and preventing millions of asthma attacks, but nearly half of Americans still live with unhealthy air pollution, a new ...

A trio of judges found that EPA erred in eliminating affirmative defenses for some pollution violations at major facilities.

The air quality index or AQI levels in Delhi, India and surrounding areas are touching a severe 400 with the air looking dark due to the smoke and pollution. Besides staying indoors and investing in ...

As soon as the 2018-2019 shutdown began, coal-fired power plants started emitting more particulate matter pollution. And when the inspections resumed, the levels dropped back to normal.

Every year, pollution kills around 2 million people in India alone, according to a study published in the peer-reviewed journal BMJ. Now with several parts of northern India and neighbouring Pakistan ...

The Interstate 5 Bridge stretches across a hazy Columbia River on Tuesday, Sept. 18, 2022, as seen from the Vancouver Waterfront. Smoke from the Nakia Creek Fire and a morning layer of fog pushed air ...