See how much you don't know about energy use and energy sources with this quiz from National Geographic.
Learn about the energy challenges we face in the future by calculating your carbon footprint, taking quizzes, and more.
Environment News from National Geographic News
See photos of freshwater mammals, such as manatees, hippos, otters, and more, in this photo gallery from National Geographic.
Learn about the water consumed to make everyday products.
See photos of forest fires, smokejumpers, and wildfire damage and download free desktop wallpapers from National Geographic.
Natural disasters facts, pictures, quizzes, video from National Geographic
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Hit the road with National Geographic road atlas maps. These world atlas maps
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Get numerous freshwater resources from National Geographic.
The Innovators Project
Meet some of science's most important movers and shakers—from past and present.
How to Feed Our Growing Planet
National Geographic explores how we can feed the growing population without overwhelming the planet in our food series.