Every day, the clean energy revolution is creating new jobs for American workers. As part of an ongoing series, Sierra asked one of them to tell us his story.
Two social justice veterans meld Native American traditions with modern technology to create a better food system
From generating engine-ready propane to warding off disease, bacteria is providing solutions.
Rooftop gardens--sometimes called green roofs--are a trendy topping for buildings, but there's a greener option.
Within your kitchen cabinets lurks an environmental hazard responsible for wiping out millions of acres of rainforest.
Peabody Energy claims that half a million people support its "grassroots" campaign to fight energy poverty, but it smells a lot like Astroturf
In Alberta, Canada, ponds that kill birds and 24/7 cannon fire are now considered normal