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The Great Energy Challenge

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    What Is It?

    An initiative to help you understand our current energy situation.

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    Personal Energy Meter

    See how you measure up against others, and how changes at home could do tons to protect the planet.

Step Up to the Challenge »

Sustainability

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    Help Save the Colorado River

    NG's new Change the Course campaign launches. When individuals pledge to use less water in their own lives, our partners carry out restoration work in the Colorado River Basin.

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    Sustainability at National Geographic

    The National Geographic Society aims to be an international leader for global conservation and environmental sustainability. Learn more about the Society's green philosophy and initiatives.

Learn More About Freshwater »