Volunteer

Water doesn't recognize borders — and neither do the threats it faces. Our international teams work tirelessly to protect it.

This work is possible because of volunteers like you. Every contribution matters.

Volunteer

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

• Legal advocacy driving stronger standards

Join thousands of climate leaders fighting for change.

Volunteer

'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my action prevents contamination. Now I'm leading others.' — Jennifer M., Watershed Advocate

Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across industries to rebuild what was lost.