Quiz your knowledge of extreme habitats at National Geographic
Cargo containers can be readily recycled into affordable housing, providing key environmental benefits.
Calculate your carbon footprint from the energy you use, including car travel, air travel, home energy, and renewable energy.
See photos of glaciers and icebergs from the Extreme Ice Survey and download free desktop wallpaper from National Geographic.
National Geographic Environment Home Page.
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.
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.
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.