Impact

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

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

Impact

We believe that nature can heal if we give it the chance. Our 20-year track record shows what's possible.

• Policy research driving justice

Join thousands of climate leaders pushing back against pollution.

Impact

'Thirty years ago, this river was dying. Thanks to this organization, children can swim safely. I watch the difference daily.' — Professor Chen

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