Volunteer

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

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

Volunteer

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

• Early warning systems of water quality shifts

Join thousands of climate leaders fighting against pollution.

Volunteer

'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my data prevents extinction. Now I'm training others.' — Jennifer M., 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.