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Quiz your knowledge of extreme habitats at National Geographic
Cargo containers can be readily recycled into affordable housing, providing key environmental benefits.
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National Geographic Environment Home Page.
Freshwater stories from National Geographic, focusing on water conservation, pollution, freshwater fish, and drinking water.
Global warming facts, pictures, video, and quizzes from National Geographic
Explore our world's habitats with National Geographic. Get facts, wallpapers, and watch free videos. Learn what threatens our ecosystems, and what you can do to help.
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