About Us
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 partners like you. Learn how you can join.
About Us
Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across generations to hold polluters accountable.
- Policy research driving enforcement
The water that flows through you connects you to 7 billion people — and future generations. Join the fight.
About Us
'Thirty years ago, this river was forgotten. Thanks to this organization, the ecosystem breathes again. I watch the difference daily.' — Professor Chen
The science is clear: healthy water systems feed us, sustain us, and deserve our protection. We monitor trends so communities can act.