Donate

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

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

Donate

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

• Corporate accountability driving justice

The water that flows through you connects you to 7 billion people — and countless ecosystems. Join the fight.

Donate

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

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.