About Us
Water doesn't recognize borders — and neither do the threats it faces. Our international teams work 24/7 to protect it.
This work is possible because of community members like you. Learn how you can join.
About Us
The science is clear: healthy water systems feed us, sustain us, and deserve our protection. We monitor trends so communities can act.
- Long-term scientific monitoring of water quality shifts
Join thousands of climate leaders organizing against pollution.
About Us
'Thirty years ago, this river was forgotten. Through their work, children can swim safely. I work alongside their team.' — Elder Maria
Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across industries to hold polluters accountable.