Main Content
The Green Guide
More About the Environment
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Silent Streams
Freshwater animals are vanishing faster than those on land or at sea. But captive-breeding programs hold out hope.
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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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Blogs
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The Green Guide Blog
Get tips for everyday green living from National Geographic.
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BlogWild
Step into the field with National Geographic explorers.
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Beyond Green Travel
Get green tips and trip ideas from Adventure Editor Costas Christ.
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NatGeo NewsWatch
Keep current on developments in science, nature, and cultures.
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Blue Water Project
Take our quiz and test your water knowledge.
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Sweepstakes
Enter to win a trip to Fort Worth, Texas, and spend a day with a National Geographic photographer!