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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
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2010 Gulf Oil Spill News and Pictures
See National Geographic's full coverage of the 2010 Gulf of Mexico oil spill: pictures, news reports, and first-person accounts.
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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?
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Photo Gallery: Antarctica Warming
See the effects global warming has had on Antarctic glaciers and the wildlife that depends on them.
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Geothermal
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
New From National Geographic Magazine
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Gulf Oil Spill
Is another deep-water disaster inevitable?
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Recovery in the Gulf
Will the Wetlands Be Able to Bounce Back?
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Seafood Crisis
Will there be any fish left in the future?
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NG In the Field
Environment Topics
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Pledge to Cut Your H2O Footprint
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Water Calculator
Figure out your footprint, then join hundreds of website visitors who together have pledged to save thousands of gallons a day.
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Blue Planet Expedition
Once you pledge, sign up to get more involved in Alexandra Cousteau's cross-country water expedition.
National Geographic Magazine
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Truth of King David
Was his kingdom a glorious empire—or just a little cow town?
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Photos: Milky Way
Peek into the heart of our galaxy and other heavenly wonders.
Special Ad Section
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School Contest
Teachers: Enter your classroom's best idea and your school could win!
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Photo Contest
Enter your exceptional travel photo for a chance to win a trip for two to Peru!
The Great Energy Challenge
Better understand the need for clean energy and learn how to be part of the solution.
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Quiz: Natural Gas
Find out how much you know about one of the world's fastest growing fuel sources.
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Personal Energy Meter
See how you measure up and find out how making simple changes at home can help.
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Start an Energy Diet
These small steps could heal the planet and save you money.
