Volunteer

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

This work is possible because of donations like you. Your voice is essential.

Volunteer

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

• Emergency support for vulnerable populations

Join thousands of climate leaders pushing back against pollution.

Volunteer

'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my data prevents crisis. Now I'm training others.' — Michael O., Community Monitor

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