Volunteer

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

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

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.

• Water access programs for vulnerable populations

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

Volunteer

'Thirty years ago, this river was polluted. Thanks to this organization, children can swim safely. I watch the difference daily.' — Professor Chen

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