Climate Change, One Light Bulb at a Time?

Clean light bulbs and hybrid cars won't change the world, but major political action will — and the Millennial generation wants to make it happen

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Putting Money Where the Green Is

Global warming is a hot topic, but one that seems unlikely to stick. If voters and politicians don't get serious, it won't just be polar bears that suffer.

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A Last Warning on Global Warming

A U.N. panel's final report on climate change underscores the immense challenge facing the world

US States Sign Global Warming Pact

Nine governors from the coal-hungry Midwest sign a landmark deal to cut carbon emissions, leaving the rest of the US wondering whether Washington will ever take action

California's Christmas List: Clean Air

Gov. Schwarzenegger wants to clamp down on greenhouse gas emissions. Only the US government stands in his way

The Energy Solution: Do Something

How do we create energy and sustain our environment? A panel of scientists lays it out simply. Conserve, invest, clean up the developing world. Repeat.

The Cost of Being Clean

Companies brag about slashing emissions, but we're just now learning how to check their math

From TIME's Archive: The Great California Fires

Vast swaths of California are burning; a million people have been displaced. How did we get here? And what can we do?

Photos: What They Saved From the Fire

Going Green: Beepocalypse Now?

Something is killing honeybees in record numbers. Three theories on why

Going Green Jimmy Carter

After leaving office he started the humanitarian Carter Center. Now he reflects on its 25th anniversary in a new book, Beyond the White House. Jimmy Carter will now take your questions

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