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Water doesn't recognize borders — and neither do the threats it faces. Our local teams work year-round to defend it.

This work is possible because of scientists like you. Together we can turn the tide.

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

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, native fish are returning. 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 industries to hold polluters accountable.