Donate

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.

Donate

Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across political boundaries to solve problems at their source.

• Flood resilience for groundwater conservation

Join thousands of climate leaders organizing against pollution.

Donate

'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my voice prevents extinction. Now I'm inspiring others.' — Sarah K., Volunteer

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