Our Mission

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

This work is possible because of partners 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 policy can shift.

• Emergency support for Indigenous communities

Join thousands of climate leaders organizing for change.

Our Mission

'Thirty years ago, this river was dying. Thanks to this organization, the ecosystem breathes again. I work alongside their team.' — Dr. Robert L.

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