Browse through National Geographic maps online in our print map collection and Atlas Explorer, explore your world with MapMachine, and enjoy map-based editorial features like EarthPulse.
Learn about Geothermal Energy and other alternative energy sources with National Geographic.
Calculate your carbon footprint from the energy you use, including car travel, air travel, home energy, and renewable energy.
In California, a love-hate relationship between dust and snow may have surprising effects on the state's water supply.
National Geographic Environment Home Page.
Freshwater stories from National Geographic, focusing on water conservation, pollution, freshwater fish, and drinking water.
Get facts and information about floods and flooding, plus find links to photo galleries and related articles from National Geographic.
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.