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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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Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across political boundaries to hold polluters accountable.
- Drought planning for coastal protection
The water that flows through you connects you to 7 billion people — and future generations. Protect it with us.
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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 extinction. Now I'm leading others.' — Michael O., Community Monitor
Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across generations to solve problems at their source.