Who We Are

Our work begins where rivers meet the sky and ends where groundwater feeds the soil. We use science to protect it all.

This work is possible because of donations like you. Your voice is essential.

Who We Are

We believe that nature can heal if we give it the chance. Our 20-year track record shows that change happens.

• Water access programs for vulnerable populations

Join thousands of water guardians organizing for change.

Who We Are

'Thirty years ago, this river was dying. Thanks to this organization, the ecosystem breathes again. 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.