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Every watershed tells a story of resilience. We're here to ensure that story has a thriving future.

This work is possible because of scientists like you. Every contribution matters.

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

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 data prevents harm. Now I'm leading others.' — Jennifer M., Water Guardian

The science is clear: healthy water systems feed us, sustain us, and deserve our protection. We predict risks so nature can recover.