Clean Air


Diesel exhaust causes cancer, WHO says

The unexpected-but-still-important finding puts diesel exhaust on par with second-hand smoke.


China’s smog city: What Wuhan looks like with 20 times the U.S. dust limit

Residents of the Chinese province of Wuhan are coping with a smog like you've never seen.

Clean Air

Obama wants to give white children asthma, says blogger

You might think that air quality controls are about mitigating the health effects of breathing in pollution. If you’re a staunch Republican, you might think they’re about destroying capitalism. But blogger (and birther) Daren Jonescu knows what air quality controls are …


The dirt on Wisconsin Gov. Scott Walker’s environmental record

Wisconsin voters are at the polls in a referendum on Gov. Walker. Here's what green voters need to know about his track record -- and future plans.

Climate & Energy

Energy companies, seeing a greener future, are losing their faith in coal

Utility executives may finally be realizing that coal's days are numbered, a new survey suggests. Already!


City-dwellers’ allergies are so bad because they don’t have enough bacteria

This allergy season has been terrible. It seems like everyone I know has been running around with leaky eyes, even those of us who aren’t typically pollen-sensitive. Granted, there was an unusual amount of tree sperm in the air this …


Modern-day DeLorean? Airplane runs on trash

One man’s trash is another man’s airplane fuel. Adventure-seeker Andy Pag aims to obtain funding and become the first person to fly a trash-fueled plane from one end of the U.K. to the other. His aircraft, a microlight plane, will …


Power Shift turns Bank of America ATMs into truth-dispensing machines

Activists forced ATM users to think twice about what they were really supporting by banking with Bank of America.


Top 10 U.S. cities with the worst air pollution

About 127 million Americans endure pollution levels that make it dangerous to breathe. Check out the top 10 regions with the dubious distinction of having the most year-round particle pollution.