More Environment Quizzes

  • Photo: People waiting for water truck

    Drinking Water and Sanitation Quiz

    For much of the world, drinking a glass of water is not as easy as filling up at a water cooler or even the kitchen sink.

  • Photo: Aerial view of canyon

    Freshwater 101 Quiz

    Where does water sit around the globe? How is it used to produce everyday goods? Test your knowledge about freshwater.

  • 400017_dl.jpg

    Climate Change and Water Quiz

    How much freshwater do we have and how is the changing climate affecting our supply?

  • Photo: Southern Alaska's Alaska range mountains

    Extreme Habitats Quiz

    Test your knowledge of the most extreme places on Earth.

  • 1346.jpg

    Global Warming Quiz

    Global warming is a complex issue that involves many different environmental factors. Think you know the ins and outs of global climate change?

  • Photo: Flowers in a Siberian field

    Going Green Quiz

    From PV cells to CFLs, there's a lot you can do to help reverse global climate change and live a more eco-friendly life.

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.


Freshwater Advocates

  • 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.

Blogs

Explore Freshwater

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