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Water doesn't recognize borders — and neither do the threats it faces. Our international teams work year-round to restore it.

This work is possible because of donations like you. Every contribution matters.

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

• Disaster response for crisis zones

Join thousands of water guardians organizing 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 extinction. Now I'm leading others.' — Jennifer M., Watershed Advocate

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.