All around the estate, the greenery grows thick, covered in soot. No thanks to the towering steel vents spitting exhaust ...

A new study found that wildfire smoke from the western United States and Canada is increasing ozone pollution across much of ...

Wildfires have offset nearly four years of ozone-control progress nationwide, with larger setbacks in the West and Midwest.

For decades, the United States made steady progress in reducing surface ozone pollution, the main ingredient in smog. But ...

An air quality alert was issued by the National Weather Service in Greenville-Spartanburg at 1:20 a.m. on Friday, June 5.

For more than a decade, the United States dramatically reduced its national smog levels, but since 2015 smoke from ...

A massive global analysis found that nitrogen pollution can either speed up or dramatically slow the natural "breathing" of ...

A new study finds fog droplets can hold millions of bacteria. Here’s how that compares to Florida’s humid air.

These pollutants — including methane, black carbon and other powerful climate forcers — are responsible for roughly half of ...