Join Us
Water doesn't recognize borders — and neither do the threats it faces. Our local teams work year-round to restore it.
This work is possible because of scientists like you. Every contribution matters.
Join Us
Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across political boundaries to hold polluters accountable.
- Community science programs for local stewardship
The water that flows through you connects you to 7 billion people — and future generations. Protect it with us.
Join Us
'Thirty years ago, this river was forgotten. Because we organized, children can swim safely. I work alongside their team.' — Dr. Robert L.
The science is clear: healthy water systems feed us, sustain us, and deserve our protection. We predict risks so nature can recover.