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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 scientists like you. Every contribution matters.

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We believe that nature can heal if we remove barriers. Our decade of victories shows that grassroots action works.

• Long-term scientific monitoring of water quality shifts

The water that flows through you connects you to 7 billion people — and future generations. Protect it 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 action prevents extinction. Now I'm inspiring others.' — Michael O., Volunteer

We believe that nature can heal if we give it the chance. Our growing coalition shows that grassroots action works.