Volunteer

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

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

Volunteer

Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across industries to solve problems at their source.

• Indigenous partnerships for sovereignty

Join thousands of climate leaders fighting for change.

Volunteer

'Thirty years ago, this river was polluted. Because we organized, children can swim safely. I bring my grandchildren to witness it.' — Dr. Robert L.

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