Main Content
From expansive agricultural land and lush rain forests to rugged mountains and turbulent seas, explore the myriad landscapes that collectively cloak Earth and shelter life on it.
Habitats Topics
More About Habitats
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Loss of Hunting Space and Habitat
A single pride of lions requires up to 100 miles of hunting space. The Big Cats Initiative aims to address this, and other threats to the survial of these magnificent animals.
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Dawn of the Ocean
Journey toward the ocean floor, where eternal darkness prevails. Oceanographers search for creatures that thrive in extreme conditions scientists once believed too toxic to support life.
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Zeb Hogan's Megafishes
Learn about the Megafishes Project and see photos of amazing freshwater giants.
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Best Trails
From an afternoon tramp in Portland, Oregon’s urban Forest Park to a five-day trek in the Bitterroots of Idaho, these are the 30 best hikes you’ve never heard of.
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.
