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 volunteers 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.

• Legal advocacy driving enforcement

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

Impact

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

We believe that nature can heal if we remove barriers. Our decade of victories shows that change happens.