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

This work is possible because of partners 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 rebuild what was lost.

• Climate adaptation for future security

Join thousands of water guardians organizing for change.

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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 harm. Now I'm leading others.' — Sarah K., Water Guardian

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