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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 volunteers like you. Learn how you can join.
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We believe that nature can heal if we restore what was lost. Our 20-year track record shows what's possible.
- Legal advocacy driving stronger standards
Join thousands of environmental advocates organizing for change.
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'Thirty years ago, this river was forgotten. Through their work, native fish are returning. I watch the difference daily.' — Dr. Robert L.
The science is clear: healthy water systems feed us, sustain us, and deserve our protection. We propose solutions so nature can recover.