A special report on the eco-pioneers fighting for a cleaner, greener future
He took on the U.S. government and proved that smaller nations can lead the way in fighting climate change
A hit in Paris, their bike-rental scheme is ready to be rolled out worldwide
To help a Danish island go carbon-free, he harnessed its most sustainable asset: the power of community
The New York City Mayor and California's Governor are doing the things that gridlocked Washington won't
An esteemed explorer and environmentalist, Will Steger will make a 1,400-mile dogsled trip across the Arctic next month, at 64. And he'll bring cameras, so we can watch
The demands of the global food and energy market may literally be eating away at the world's largest single natural absorber of carbon dioxide
The French capital has introduced a bike rental program called Vélib' a slang combination of the French words velo, for bike, and liberté, for liberty
In a first-of-its-kind program, the government hopes to put charging stations all over the country and get gas guzzlers off the roads starting in 2011
The ethnic political violence that convulsed Kenya shattered the nation's image as an oasis of calm in a turbulent corner of Africa
Photographer Hakan Ludwigson takes an environmental tour of the great frozen island
As utility bills go up, new solar-panel financing is helping homeowners mortgage the sun