Map of the most energy-efficient states looks kind of familiar

Chinese company sues to buy wind farms; Warren Buffett has an easier time

We think this kid who licked an entire subway rail should donate himself to science

Bunny named after Hugh Hefner going extinct, Hefner somehow still alive

How we can slow global warming by smashing up an asteroid

Voters may care about climate change — but not nearly enough to make a difference

Black spidery thingies on Mars will probably kill us all

This winter’s snowstorms will have names like Draco, Q, and Khan

New coal ads: Industry hits Obama, Obama hits Romney

Watch an octopus take apart a camera while punching a shark

Bhutan wants to be the world’s first 100 percent organic country

Meet the lake so polluted that spending an hour there would kill you

Why won’t Obama address rising grass prices?

Yet another oil sheen spotted in Gulf of Mexico

Thanks to climate change, Texas is up to its ears in dead crickets

Local chambers of commerce ask Romney and Obama for clean energy support

A climate hawk's guide to the debate

A ‘radical homemaker’ shares her secret to greener, more affordable meat eating

With her new book “Long Way on a Little,” the author of “Radical Homemakers” talks about how to use the bones, fat, and extra parts of grass-fed animals to make them last.

‘Detropia’ takes us inside the lives of people living among the ruins

The Motor City has been glamorized as a land of exquisite corpses. Now, the directors of “Boys of Baraka” and “Jesus Camp” bring us the survivors.

Clean energy showdown in Arizona

National politics tends to suck up all the attention. But a battle going on in Arizona could have a huge effect on the future of solar power.

At the debate, listen for the climate silence

A new campaign aims to mobilize voters who want to see the presidential candidates take climate concerns seriously.

Undecided voters not undecided about climate change

A Yale survey found that most swing voters know human-caused climate change is real and want the government to do something about it.

Fires, droughts put focus on climate — but will we seize the moment?

Information won’t lead to action without proactive planning — the kind that requires cooperation between government, business, and other groups with a commitment to change.

Mom knows best: How food justice starts at home

Who says the food movement is led by the elite? One activist reflects on her immigrant mother’s quiet determination to feed her family well in trying circumstances, and shares what we can all learn from it.

DJ Spooky wants to remix the climate fight

Driven by a desire to see climate change firsthand, this hip hop artist took off for Antarctica with cameras and microphones. He hopes the audiovisual results will move your body and your mind.

RIP, Barry Commoner: A scientist who wasn’t afraid to make some noise

This pioneering ecologist argued that protecting the environment was inseparable from social issues such as civil, women’s, and consumer rights.