After the Great Spill: How the Gulf Cleaned Itself

The vast majority of the oil and other hydrocarbons in the Gulf of Mexico seem to be gone. And the biggest heroes of the cleanup were microscopic bacteria that digested much of the pollutants

Green Jeans: Levi's Makes Its Denim With Less Water

Levi's is using less water to make its famous denim — part of the fashion world's new planet-minded lineup

Battle Brews Over EPA's Emissions Regulations

With congressional Republicans in no mood to deal with climate change, the Obama Administration is turning to the EPA to start regulating emissions of power plants and factories

Holiday Blizzard: More Signs of Global Warming

A big winter snowstorm provides more fodder for the global-warming skeptics. But they're wrong

Blizzard Slams the Northeast
Stranded: After a Blizzard, Holiday Travel in the New York Area Grinds to a Halt

At Cancún, a New Pragmatism in Climate Policy

What we learned from the U.N. climate-change summit: consensus needn't mean unanimity, and progress can be made by focusing on common, if less ambitious, goals

Has Environmentalism Lost Its Spiritual Core?

Kenyan activist Wangari Maathai is preaching a green gospel, that environmental work needs to be linked to spiritual values -- and spiritual values should drive us to care about environmentalism

Upwardly Fertile: The Rise of the Vertical Garden

Vertical gardens are on the rise. Are they worth the expense?

Plants in Action: Biodegradable Dishware
Madagascar's Remarkable Flora and Fauna

Cancún's First Goal: Do Better than Copenhagen

The U.N.'s climate summit is kicking off in Cancun, Mexico, and there's plenty of unfinished business from Copenhagen. See what's at stake at this year's summit

Climate-Change Strategy: Be Afraid — but Only a Little

According to a new study, when people are shown scientific evidence or news stories on climate change that emphasize the most negative aspects of global warming, they are more likely to dismiss or deny what they're seeing

Greener Dishwashing: A Farewell to Phosphates

Banning phosphates in detergents makes for cleaner water if not always cleaner dishes

Kenna: Climbing for Clean Water

Making Climate Change Cool in the Classroom

The ACE way makes climate change meaningful to young people because it makes them understand how their lifestyles contribute to global warming -- and how they can help stop it

California Election: Environmentalists Get Green

In California, a coalition of celebrities, philanthropists and tech billionaires is fighting to save a favorite piece of climate policy by defeating Prop 23, which would all but repeal the state's landmark climate-change law