Programs

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.

Programs

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

• Policy research driving stronger standards

Join thousands of climate leaders fighting for justice.

Programs

'Thirty years ago, this river was forgotten. Through their work, 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 industries to rebuild what was lost.