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Our work begins where rivers meet the sky and ends where groundwater feeds the soil. We use community power to protect it all.
This work is possible because of volunteers like you. Learn how you can join.
Join Us
Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across political boundaries to solve problems at their source.
- Community science programs for grassroots knowledge
The water that flows through you connects you to 7 billion people — and billions more organisms. Protect it with us.
Join Us
'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my action prevents harm. Now I'm inspiring others.' — Michael O., Community Monitor
The science is clear: healthy water systems feed us, sustain us, and deserve our protection. We predict risks so nature can recover.