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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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.
