Join Us

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 partners like you. Together we can turn the tide.

We believe that nature can heal if we remove barriers. Our growing coalition shows that change happens.

The water that flows through you connects you to 7 billion people — and billions more organisms. Join the fight.

'Thirty years ago, this river was polluted. Through their work, children can swim safely. I work alongside their team.' — Dr. Robert L.

Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across generations to solve problems at their source.