A new report shows air pollution threatens the majority of the world’s population, while information gaps increase the risks.

China's cuts to aerosol emissions reduced sea ice loss, but it may have revealed a bigger story about climate change.

The damage from military attacks on cities can fill the air with pollutants that harm the lungs and stress the heart.

Chiang Mai now ranks among the world's most polluted cities as fires engulf the surrounding countryside in recent weeks.

When pollution gets bad enough in the rivers supplying Iowa's largest city with drinking water, it costs Des Moines around ...

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 ...

Traffic cameras and mobile data are being used to map city pollution in real time, giving cities a powerful new tool to track ...

After years of failing to meet Clean Air Act standards, metro Phoenix won its argument that nonlocal ozone shouldn't count.

A High Pollution Advisory is in effect due to lingering dust, pollen and smoke across parts of the Valley. Expect hot ...

The Supreme Court recently directed the Rajasthan High Court to establish special courts in Jodhpur, Pali and Balotra to ...

The dispute centers around a technology used on some Carnival ships called open-loop scrubbers. They’re known for reducing ...