The safeguards closed a loophole by requiring all “major” sources of seven hazardous air pollutants to maximize their emissions reductions.

By Hiroko Tabuchi and Lisa Friedman Two chemical industry groups are asking President Trump for a complete exemption to free their factories from new limits on hazardous air pollution. Under a new ...

European industry has reduced its emissions of harmful pollutants into the air and water by between 40% and 75%, according to ...

Environmentalists are concerned that steel mills and other heavy industry will get exemptions from federal limits on air pollution. U.S. Environmental Protection Agency Administrator Lee Zeldin ...

Long-term exposure can also cause decreased lung function and ... the oil and gas industry, coal plants and other industries and machines that generate air pollution.“Obviously, we’re worried about ...

air pollution caused 4.7m early deaths worldwide in 2021—about the same as dementia, road-traffic accidents, malaria and suicides combined. Road traffic is a leading contributor to dirty air ...