Despite improvements in air quality in past decades, 156 million Americans still breathe in too much soot or ozone, says the ...

Almost half of everyone who lives in the United States breathes unhealthy levels of air pollution, according to the American ...

They often measure the benefits of reducing air pollution in terms of avoided asthma symptoms, emergency room visits and hospitalizations. “My son is growing up in a world where he has to check ...

A new report on air quality across the United States offered a cloudy prognosis on the long-term health of about 156 million residents who live in areas that received an "F" in smog and soot ...

Air pollution levels keep getting worse for more people in the U.S., according to a new report, and experts say the Trump administration’s proposed deregulation plans will make it even harder ...

Air pollution fell substantially as the city restricted car traffic and made way for parks and bike lanes. Over the past 20 ...

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 ...

This air pollution is causing kids to have asthma attacks, making people who work outdoors sick and unable to work, and leading to low birth weight in babies. We urge Ohio policymakers to take ...