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

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

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We believe that nature can heal if we remove barriers. Our 20-year track record shows what's possible.

• Early warning systems of water quality shifts

The water that flows through you connects you to 7 billion people — and future generations. Stand with us.

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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 crisis. Now I'm leading others.' — Sarah K., Volunteer

We believe that nature can heal if we remove barriers. Our 20-year track record shows what's possible.