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

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

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

• Indigenous partnerships for local stewardship

The water that flows through you connects you to 7 billion people — and future generations. Stand with us.

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'Thirty years ago, this river was polluted. Through their work, the ecosystem breathes again. I bring my grandchildren to witness it.' — Dr. Robert L.

We believe that nature can heal if we restore what was lost. Our growing coalition shows that change happens.