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Water doesn't recognize borders — and neither do the threats it faces. Our international teams work 24/7 to protect 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 restore what was lost. Our growing coalition shows that change happens.

• Policy research driving justice

Every action counts — from small donations to big movements. The future is ours if we act together.

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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.' — Commissioner James

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