California’s clean-air regulator is pressing ahead with work on new rules for auto emissions in the state and possible new ...

A lot of companies want the EPA in charge of setting national climate regulations because it helps shield them from lawsuits ...

The late afternoon sun spills over the hills of Ngong in Kajiado County, painting the sky in hues of amber and rose. In a tin-roofed home in Nalepo, 36-year-old Mary Naserian crouches over a ...

Researchers have known about the health effects of air pollution for more than a century. The 1948 “Donora smog” in a ...

In a new study, a certain air filter lowered the blood pressure of people living near busy roadways. Experts explain why, and reveal if you need one.

Center for Biological Diversity Lawsuit Details President Trump EPA’s ‘Illegal’ Delay of Methane Pollution Limits ...

"The findings here showed a positive association between annual average concentrations of PM 2.5 and ozone exposure and the ...

Long-term exposure to air pollutants is linked to an increased risk for asthma exacerbation, and a plant-based diet fails to ...

A degraded air shed is an area where air quality has fallen below safe levels due to high concentrations of pollutants ...

In short, Houston’s plastic-recycling program isn’t working, and even if it did, it poses significant health and safety risks ...

Like much of the U.S., Chicago was under a thick hazy blanket of wildfire smoke, creating dangerous conditions for anyone who ...

Online courses connect science, policy and advocacy to empower residents in the fight for clean air as environmental ...