Global Warming
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
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Sustainable Earth
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Organic Air Fresheners
Avoid toxic chemicals and create a calming space.
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Surprising Recyclable Household Items
With a little know-how, you can recycle more than you think.
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Side Effects of Vegetarianism
Find out how to stay healthy and eat lower on the food chain.
The Great Energy Challenge
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Light Bulb Savings Calculator
How much can you save yourself, and the world, by switching to more efficient bulbs?
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The Global Electricity Mix
An interactive view of how regions and countries around the world generate their power.
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Quiz: What You Don't Know About Nature's Forces of Energy
You've seen the havoc that nature can wreak, but have you ever considered how much energy is generated by hurricanes, volcanoes, or lightning?
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The World's Water
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Water for a Thirsty World
Safeguarding one of the world's most important resources.
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Visualizing Our Global Water Footprint
You might be surprised to see how the daily choices you make affect critical watersheds around the world.
National Geographic Magazine
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Outer Banks Pictures
North Carolina's Outer Banks is the home and heart of photographer David Alan Harvey.
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Koala Rescue Photo Gallery
Koalas are under siege. Can Australia rescue them?
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Photos: In the Field
Browse breathtaking images of life on the Serengeti.
