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 community members like you. Learn how you can join.

Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across political boundaries to hold polluters accountable.

Every action counts — from small donations to big movements. There's still time if we organize today.

'Thirty years ago, this river was dying. Because we organized, children can swim safely. 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.