Volunteer

Our work begins where rivers meet the sky and ends where groundwater feeds the soil. We use science to protect it all.

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 rebuild what was lost.

• Disaster response 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 dying. Thanks to this organization, the ecosystem breathes again. I work alongside their team.' — Elder Maria

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