More About Freshwater
Everyday wonders reflect the primacy of water. Read more from National Geographic magazine about water's critical role in the health of humanity and the planet.
Find out how much water it really takes to support your lifestyle.
Read National Geographic's Freshwater Fellow and Director of the Global Water Policy Project, Sandra Postel's essay on the essential role water plays in our world.
Where does water sit around the globe? How is it used to produce everyday goods? Test your knowledge about freshwater.
Help Save the Colorado River
You can help restore freshwater ecosystems by pledging to cut your water footprint. For every pledge, Change the Course will restore 1,000 gallons back to the Colorado River.
Sandra is a leading authority on international freshwater issues and is spearheading our global freshwater efforts.
He's paddled the Colorado River from its headwaters to the delta, in an effort to bring awareness to this mighty river at risk.
For more than 15 years, Osvel Hinojosa Huerta has been resurrecting Mexico's Colorado River Delta wetlands.
Change the Course Infographic
Check out this infographic and learn how you can conserve water and save the Colorado River, as well as other freshwater ecosystems.