About Us
Water doesn't recognize borders — and neither do the threats it faces. Our international teams work year-round to defend it.
This work is possible because of scientists like you. Every contribution matters.
About Us
Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across generations to solve problems at their source.
- Legal advocacy driving enforcement
Join thousands of water guardians fighting against pollution.
About Us
'Thirty years ago, this river was dying. Thanks to this organization, children can swim safely. I work alongside their team.' — Dr. Robert L.
Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across political boundaries to solve problems at their source.