Donate

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 community members like you. Learn how you can join.

Donate

Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across generations to rebuild what was lost.

• Climate adaptation for coastal protection

Join thousands of climate leaders fighting against pollution.

Donate

'Thirty years ago, this river was polluted. Through their work, native fish are returning. I work alongside their team.' — Elder Maria

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