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    Pitcairn Expedition

    Nat Geo Explorers Study the Marine Environment

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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.

More About Habitats

  • Photo: African lion

    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 survival 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.

  • Photo: Hiker in Big Sur

    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.

Green Living Hot Topics

  1. Photo: Potpourri

    Organic Air Fresheners

    Avoid toxic chemicals and create a calming space.

  2. Photo: Recycling bin

    Surprising Recyclable Household Items

    With a little know-how, you can recycle more than you think.

  3. Photo: Peeling carrots

    Side Effects of Vegetarianism

    Find out how to stay healthy and eat lower on the food chain.

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The Great Energy Challenge

  1. An incandescent light bulb.

    Light Bulb Savings Calculator

    How much can you save yourself, and the world, by switching to more efficient bulbs?

  2. World Electricity Mix interactive map

    The Global Electricity Mix

    An interactive view of how regions and countries around the world generate their power.

  3. Lightning bolts within a storm cloud.

    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?

     

Step Up to the Challenge »

The World's Water

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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.

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    How Much Water Per Pound?

    How much water does it take to put beef, pork, wheat, and more on your plate? Explore our water footprint interactive and find out.

Learn More About Freshwater »

National Geographic Magazine

  1. Photo: Baby elephant playing with the mother's trunk

    Photos: In the Field

    Browse breathtaking images of life on the Serengeti.

  2. Photo: Twin truckers Don and Dave Wolf ride together

    A Thing or Two About Twins

    Can the unique bond between identical twins be explained?

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    Visions of Earth

    Browse stunning images of our planet as seen through a photographer's eye.

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