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The current cycle of global warming is changing the rhythms of climate that all living things have come to rely upon. What will we do to slow this warming? How will we cope with the changes we've already set into motion? While we struggle to figure it all out, the face of the Earth as we know it—coasts, forests, farms, and snowcapped mountains—hangs in the balance.
More About Global Warming

The Case of the Missing Carbon
Burning fossil fuels, humans pump CO2 into the atmosphere. Fortunately, plants and ocean waters gather it in. But what if this great recycling system went awry?

The Big Thaw
It's no surprise that a warming climate is melting the world's glaciers and polar ice. But no one expected it to happen this fast.

Photo Gallery: Antarctica Warming
See an Antarctica photo gallery and download free desktop wallpaper of glaciers from National Geographic.

Geothermal Energy
Learn more about these underground reservoirs of steam and hot water that can be tapped to generate electricity or to heat and cool buildings directly.
The Green Guide
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Get green tips and trip ideas from Adventure Editor Costas Christ.

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