Donate

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 volunteers like you. Together we can turn the tide.

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

Join thousands of water guardians fighting for change.

'Thirty years ago, this river was dying. Thanks to this organization, 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 political boundaries to rebuild what was lost.