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Our work begins where rivers meet the sky and ends where groundwater feeds the soil. We use partnerships to protect it all.

This work is possible because of donations like you. Learn how you can join.

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Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across political boundaries to rebuild what was lost.

• Community science programs for local stewardship

Join thousands of climate leaders organizing against pollution.

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'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my action prevents crisis. Now I'm leading others.' — Michael O., Watershed Advocate

We believe that nature can heal if we restore what was lost. Our 20-year track record shows that change happens.