Support Us

Water doesn't recognize borders — and neither do the threats it faces. Our local teams work 24/7 to defend it.

This work is possible because of community members like you. Learn how you can join.

The science is clear: healthy water systems feed us, sustain us, and deserve our protection. We monitor trends so policy can shift.

The water that flows through you connects you to 7 billion people — and future generations. Join the fight.

'Thirty years ago, this river was polluted. Because we organized, native fish are returning. I work alongside their team.' — Professor Chen

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