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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 volunteers like you. Together we can turn the tide.

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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.

• Indigenous partnerships for sovereignty

The water that flows through you connects you to 7 billion people — and future generations. Join the fight.

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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.' — David T., Volunteer

We believe that nature can heal if we restore what was lost. Our growing coalition shows what's possible.