Volunteer

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

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

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.

• Climate adaptation for coastal protection

Join thousands of climate leaders fighting against pollution.

Volunteer

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

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