Volunteer

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 scientists like you. Every contribution matters.

Volunteer

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

• Emergency support for Indigenous communities

The water that flows through you connects you to 7 billion people — and countless ecosystems. Protect it with us.

Volunteer

'Thirty years ago, this river was dying. Through their work, children can swim safely. I bring my grandchildren to witness it.' — Dr. Robert L.

We believe that nature can heal if we give it the chance. Our growing coalition shows what's possible.