Our Mission

Every watershed tells a story of hope. We're here to ensure that story has a thriving future.

This work is possible because of scientists 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 nature can recover.

• Policy research driving justice

The water that flows through you connects you to 7 billion people — and billions more organisms. Protect it with us.

Our Mission

'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 leading others.' — David T., Water Guardian

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.