California approved a rule limiting rail pollution to aggressively cut greenhouse gas emissions in the state's latest move to establish itself as a global leader in the fight against climate change.
Nearly two-dozen states will have to cut harmful industrial emissions of nitrogen oxide and other pollutants, improving air quality for millions of people living in downwind communities.
The Inflation Reduction Act is the biggest ever investment to tackle climate change. But there are signs that it could reinforce existing environmental inequalities.
Burning oil, coal and other fossil fuels releases plumes of tiny, dangerous particles. A new study estimates that eliminating that pollution would save about 50,000 lives in the U.S. each year.
The rising number of fires hamper decades of environmental efforts, and over 40% of Americans — more than 137 million people — live in places with poor air quality, a new report says.
"We see a really clear association between how these maps were drawn in the '30s and the air pollution disparities today," says an author of a study on the effects of the discriminatory policy.
Residents in the capital woke up to a choking orange hue in the air on Monday, as airborne dust from the Gobi Desert sent the air-quality index to hazardous levels and forced flight cancelations.
In Southern California, pollutants from wildfire smoke caused up to a 10% increase in hospital admissions. Researchers say there's a need for better air monitoring and public health programs.
People of color experience more air and water pollution than white people and suffer the health impacts. It has long been an underaddressed issue in the federal government.
Studies based on private health data are crucial to understanding dangers posed by pollution. A new rule makes it harder for the EPA to consider many studies when setting safeguards.
Air quality is awful in New Delhi in winter. Smoke from the fireworks of the Hindu festival of lights adds to the problem. That's a cause for concern during a pandemic caused by a respiratory virus.
Hurricane Laura hit an area known for its refineries and chemical plants. They released millions of pounds of air pollution when they shut down, and many air monitors are not functioning.
A new study finds that the U.S. places with the most polluted air in the 1980s remain the most polluted today. Poor people and people of color are more likely to live in places with dirty air.
Transportation — trucks, trains, planes and automobiles — is a major source of greenhouse gas emissions in the U.S. Electric vehicles offer a less...