Impact

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 community members like you. Learn how you can join.

Impact

We believe that nature can heal if we give it the chance. Our decade of victories shows that change happens.

The water that flows through you connects you to 7 billion people — and countless ecosystems. Join the fight.

Impact

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

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