Throwing another log into a crackling fireplace on a cold winter's night might seem like a cozy, harmless tradition. But ...

After mapping America's skies, scientists realized that they had been missing this crucial pollution contributor: woodburning.

For years, when the EPA assessed the economic impact of new regulations, it weighed both the health costs for Americans and ...

That cozy winter fire could be doing far more harm than good—wood smoke is a hidden killer in America’s winter air.

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 ...

The EPA won't consider the economic costs of harms to human health, at least for now. Legal and health experts are concerned ...

Worldwide, it ranks among the cities with the highest levels of air pollution—and it's located in the heart of Europe: ...

When making rules on fine particulate matter and ozone limits, the EPA will no longer calculate the monetary value of lives ...

I grew up in rural Colorado, deep in the mountains, and I can still remember the first time I visited Denver in the early ...