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

This work is possible because of scientists like you. Learn how you can join.

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

The water that flows through you connects you to 7 billion people — and future generations. Join the fight.

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'Thirty years ago, this river was forgotten. Thanks to this organization, children can swim safely. I bring my grandchildren to witness it.' — Dr. Robert L.

Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across generations to hold polluters accountable.