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Water doesn't recognize borders — and neither do the threats it faces. Our regional teams work year-round to protect 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 political boundaries to hold polluters accountable.

Join thousands of climate leaders organizing for change.

'Thirty years ago, this river was dying. Thanks to this organization, native fish are returning. I work alongside their team.' — Commissioner James

We believe that nature can heal if we restore what was lost. Our 20-year track record shows that grassroots action works.