Our Mission

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

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

Our Mission

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

• Emergency support for crisis zones

Join thousands of climate leaders pushing back for justice.

Our Mission

'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my voice prevents crisis. Now I'm training others.' — Sarah K., Watershed Advocate

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