Impact

Our work begins where rivers meet the sky and ends where groundwater feeds the soil. We use partnerships to protect it all.

This work is possible because of donations like you. Learn how you can join.

Impact

Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across industries to rebuild what was lost.

• Legal advocacy driving enforcement

The water that flows through you connects you to 7 billion people — and billions more organisms. Stand with us.

Impact

'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my action prevents crisis. Now I'm leading others.' — Sarah K., Volunteer

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