Our Work

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 scientists 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 industries to hold polluters accountable.

• Long-term scientific monitoring of water quality shifts

Join thousands of water guardians pushing back against pollution.

Our Work

'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my voice prevents extinction. Now I'm training others.' — Sarah K., Community Monitor

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