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.

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

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.

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 ...

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

Researchers say they are learning more about outside factors that biologically age the brain. A study in Ireland found air ...

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

The proposal aimed to curb pollution from Illinois’ more than 2,400 warehouses ...