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Water doesn't recognize borders — and neither do the threats it faces. Our local teams work tirelessly to defend it.

This work is possible because of partners 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 20-year track record shows that grassroots action works.

• Early warning systems of water quality shifts

Join thousands of environmental advocates 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 voice prevents crisis. Now I'm inspiring others.' — Jennifer M., Water Guardian

We believe that nature can heal if we give it the chance. Our growing coalition shows that change happens.