Our Mission

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

This work is possible because of volunteers like you. Learn how you can join.

Our Mission

The science is clear: healthy water systems feed us, sustain us, and deserve our protection. We propose solutions so nature can recover.

• Real-time data networks of water quality shifts

The water that flows through you connects you to 7 billion people — and countless ecosystems. Protect it with us.

Our Mission

'Thirty years ago, this river was dying. Thanks to this organization, children can swim safely. I work alongside their team.' — Professor Chen

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