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    • BEFORE THE "NEW WORLD"

    What did America look like in 1491?

    America Before ColumbusVISIT SITENOVEMBER 22 8P et/pt

    CALIFORNIAN WILDERNESS

    Yosemite National Park attracts 3.5 million visitors annually.READ MORE FACTS >>

    AGING SKIN

    What effect does aging have on your skin?GO NOW >>

    TAGGING A GREAT WHITE

    Scientists work with expert anglers to tag them.

    WATCH VIDEO

    FIND THE LOST TOMB

    Search for clues to uncover Herod's lost tomb.PLAY GAME >>

    MIAMI HOTEL EXPLOSION

    A dangerous test blast is necessary for preparation.WATCH VIDEO >>

    A WALK IN THE WOODS

    Longest marked U.S. trail is over 2,000 miles.

    VISIT SITE

    BIRD'S-EYE VIEW

    Get the lay of the land from 10,000 feet.MAP MACHINE >>

    SCIENCE NEWS

    Get latest on discoveries, technologies and controversies.GO NOW >>

    Protecting the Trail

    What is being done to preserve the wilderness?

    Learn More >>

    Super Trees

    Why the world's tallest trees are so important

    Read Article >>

    Acid Rain: Invisible Menace

    Endangered Fish

    National Geographic Explorer Zeb Hogan is out to save the big, and even ugly, monster fish.
    Learn More >>

    See What's Inside

    Explore the inner workings of a great white shark

    Learn More >>

    More Videos From Preserve Our Planet

    Preserve Our Planet Video Channel

    Experience our changing world and see the wonder of nature's beauty.

    Watch Videos >>


    Harnessing the Sun

    Learn about a new way to harness solar power to create energy.

    Watch Now >>


    Bikini Atoll Returns

    Fifty odd years after nuclear bomb tests, the coral reefs of Bikini Atoll are thriving, but other coral predicts trouble...

    Watch Now >>

    Join the Discussion

    Share your passions for conservation, nature, and this amazing, living world. Discuss issues related to preserving the planet with other National Geographic Channel viewers.

    Join Now >>

    Film + PSA Contest

    The 2009 Preserve Our Planet Film & PSA Contest is proud to announce its winners! Congratulations to all the winners and thanks to everyone who participated.

    See the Winners >>

    How is our parent company, NewsCorp, keeping it green?

    Learn More >>

    Explore green travel with Nat Geo Adventure.

    Read the Blog >>

    More From the National Geographic Society

    Environment Central

    Get the latest news, photos, videos and green living tips from National Geographic.

    Go Now >>




    What's Your Energy IQ?

    How smart are you about energy consumption?

    Take the Quiz >>

    Intelligent Travel Blog

    Highlighting places, practices, and people that are on the front lines of sustainable travel.

    Read the Blog >>

    Going Green Made Easy

    Learn simple steps to a greener life that can add up to big benefits for your wallet, your health, and the health of our planet.

    Start Now >>




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    For more than 120 years, National Geographic has been committed to preserving our planet. At this very moment, there are hundreds of National Geographic scientists and explorers around the globe making a difference in the conservation of the world’s extraordinary habitats and species. Together with them, explore and discover these threatened places and animals...because the more we all know about the world, the more we can do to help preserve it.

    © National Geographic Channel 2009