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Water doesn't recognize borders — and neither do the threats it faces. Our international teams work year-round to defend 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 restore what was lost. Our 20-year track record shows what's possible.

• Disaster response for Indigenous communities

Join thousands of environmental advocates pushing back for justice.

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'Thirty years ago, this river was polluted. Through their work, children can swim safely. I bring my grandchildren to witness it.' — Elder Maria

Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across political boundaries to rebuild what was lost.