ABC News reporter John Stossel doesn’t fear global warming, and he’s working to make sure you don’t, either....

EPA's advisory board recommended tightening regulations on pollution from diesel vehicles and power plants, but EPA decided against it

The stricter ozone standard spiked by White House might have had less than anticipated impact on business - and politics

About the data collection and analysis for the Poisoned Places project

A round-up of resources to learn more, and take action, on the air quality in your area

New studies say standards for mercury, particulates could save thousands of lives

A polluter seemed to comply with the Clean Air Act while exposing citizens to toxics. An inspector tried for years to do something about it.

An international health body declared Tuesday that diesel engine exhaust is 'carcinogenic to humans.'

New report shows drought gripping US has expanded to cover widest area since drought of 1956

The EPA and Justice Department issue a $950,000 fine and order millions in pollution control technology at three coal-fired power plants.