• Photo: Brooklyn Bridge

    Water Is Life

    Read About Water's Critical Role

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Where is the world's water? And how is it used? Find out more about the ways water weaves itself around the world, and how H20 is the lifeblood of human civilizations and critical aquatic ecosystems.

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.

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.

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Explore Freshwater

  • sandra new headshot.jpg

    Sandra Postel

    Sandra is a leading authority on international freshwater issues and is spearheading our global freshwater efforts.

  • Photo: Jon Waterman at the end of the Colorado River

    Jonathan Waterman

    He's paddled the Colorado River from its headwaters to the delta in an effort to bring awareness to this mighty river at risk.

  • Photo: Osvel Hinojosa Huerta

    Osvel Hinojosa Huerta

    For more than 15 years, Osvel Hinojosa Huerta has been resurrecting Mexico's Colorado River Delta wetlands.

Change the Course logoChange the Course: Help Save the Colorado River