Freshwater stories from National Geographic, focusing on water conservation, pollution, freshwater fish, and drinking water.
Learn about deserts and download free desktop wallpapers at National Geographic.
National Geographic Environment Home Page.
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.
Learn about the National Geographic Society and ways you can support our critical work in research, conservation, exploration, and education.
See photos of waterscapes (the Colorado River, Jordan Pond, Nile River, and more) in this photo gallery from National Geographic.
Take National Geographic maps with you on your next great adventure. Whether
you need travel maps, hiking maps or road maps, we have what your ...