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

This work is possible because of donations 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.

• Corporate accountability driving enforcement

Join thousands of environmental advocates fighting 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 crisis. Now I'm leading others.' — David T., Water Guardian

We believe that nature can heal if we remove barriers. Our growing coalition shows that grassroots action works.