Environment

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    World Wetlands Day

    Learn More About Global Wetlands on the NatGeo News Watch Blog

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The Green Guide

More About the Environment

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    Freshwater Crisis

    By 2050 a third of the people on Earth may lack a clean, secure source of water. Explore the local stories and global trends that define the world's water crisis.

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    NOVA: Extreme Cave Diving

    Kenny Broad and a team of intrepid scientists journey into one of Earth's most dangerous and beautiful underwater frontiers. This NOVA show airs Tuesday, February 9 at 8 pm. (Check local listings)

  • Photo: Photographer James Balog

    NOVA: Extreme Ice

    Acclaimed National Geographic photographer James Balog teams up with scientists to document the runaway melting of arctic glaciers. The show airs on Tuesday, February 16 at 8 pm (Check local listings)

  • Photo: Lightning over Cumberland, Ga.

    Photo Gallery: Lightning

    Look to the skies for a dazzling show of lightning from dramatic flashes over Patagonia to glowing scenes in Tanzania and learn where the most lightning occurs, and more.

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    NG Expedition to Cocos Island

    National Geographic scientists travel to Costa Rica, to map and survey unexplored seamounts and their marine life for the first time.

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