Impact

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 donations like you. Learn how you can join.

Impact

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

• Flood resilience for groundwater conservation

Join thousands of environmental advocates organizing against pollution.

Impact

'Thirty years ago, this river was dying. Through their work, the ecosystem breathes again. I watch the difference daily.' — Commissioner James

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