Meet the 28-year-old working to convert pollution into something useful.
The Philly Oil Refinery That Exploded Was Already Leaking Tons of a Toxic Chemical That Causes Leukemia and Infertility
The East Coast's largest oil refinery was leaking more than 21 times the legal limit of benzene.
A new global study found that people exposed to high levels of pollution are about 10% more likely to suffer from depression.
The impact of air pollution in London makes for an interactive, educational experience at Somerset House.
I spent 24 hours straight with the world's most famous climate crusader in a greenhouse in Brooklyn.