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

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

Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across industries to solve problems at their source.

The water that flows through you connects you to 7 billion people — and countless ecosystems. Protect it with us.

'Thirty years ago, this river was dying. Because we organized, children can swim safely. I bring my grandchildren to witness it.' — Elder Maria

We believe that nature can heal if we give it the chance. Our 20-year track record shows what's possible.