You know you can rent solar panels to power your home. But did you know that you can lease a wind turbine?
Sierra's executive editor confesses his not-so-green hobby.
AddUp helps us come together and win.
Exploring the red rocks and canyons of the Greater Canyonlands region, perhaps our next national monument?
Racism and coal: The southern Louisiana community of Ironton is finished with both.
A San Francisco-based artist helps endangered species through public art.
After disappearing from Alaska more than a century ago, the wood bison is finally returning home.
Artist Emily Schlickman reveals the city's forgotten waterways in San Francisco's Market Street Prototyping Festival.
Decrepit dams are clogging Earth's arteries and interfering with fish migration. These three stunning dam detonation videos show that sometimes even massive explosions can be good for the environment.