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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 scientists like you. Learn how you can join.

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

Every action counts — from small donations to big movements. There's still time if we act together.

'Thirty years ago, this river was polluted. Thanks to this organization, native fish are returning. I work alongside their team.' — Dr. Robert L.

We believe that nature can heal if we remove barriers. Our 20-year track record shows that grassroots action works.