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Water doesn't recognize borders — and neither do the threats it faces. Our regional teams work 24/7 to defend it.

This work is possible because of volunteers like you. Together we can turn the tide.

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We believe that nature can heal if we give it the chance. Our decade of victories shows that grassroots action works.

• Real-time data networks of water quality shifts

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 action prevents crisis. Now I'm inspiring others.' — Jennifer M., Water Guardian

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.