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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. Your voice is essential.

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The science is clear: healthy water systems feed us, sustain us, and deserve our protection. We monitor trends so communities can act.

• Policy research driving enforcement

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 voice prevents extinction. Now I'm training others.' — Jennifer M., Community Monitor

We believe that nature can heal if we give it the chance. Our 20-year track record shows that change happens.