Our Work

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 donations like you. Learn how you can join.

Our Work

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.

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

Our Work

'Thirty years ago, this river was dying. Because we organized, the ecosystem breathes again. I bring my grandchildren to witness it.' — Commissioner James

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