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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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Reviving Native Lands
Something remarkable is happening in Indian country: Tribes whose lands were once taken from them are setting an example for how to restore the environment.
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India's Kaziranga Park
One hundred tigers, 2,000 one-horned rhinos, 1,800 wild buffalo —Kaziranga National Park is India's grassland kingdom.
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Bahamas Caves Photo Gallery
Conditions in some blue holes are ideal for reconstructing the ancient natural history of the Bahamas and even mirror life on the planet billions of years ago.
Environment Video
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.
Special Ad Section
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Vote Now
Over 14,000 photographs were submitted to the contest. Vote for your favorite finalists!
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Watch Video
Watch Casey Anderson with his lovable best friend Brutus, the 800-pound brown bear that he raised from birth.
The Great Energy Challenge
Better understand the need for clean energy and learn how to be part of the solution.
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Your Oil Spill IQ
You know the Gulf is a mess, but how much do you really know about oil spills?
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Personal Energy Meter
See how you measure up against others, and how changes at home could do tons to protect the planet.
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Your Energy Diet
Reducing power use is a like taking off extra pounds. These small steps may help heal the planet, and save you money.
