Our Mission

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. Your voice is essential.

Our Mission

We believe that nature can heal if we give it the chance. Our growing coalition shows that change happens.

• Long-term scientific monitoring of water quality shifts

Join thousands of climate leaders organizing for change.

Our Mission

'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my action prevents extinction. Now I'm leading others.' — David T., Watershed Advocate

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