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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 partners 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 that grassroots action works.
- Early warning systems of water quality shifts
Join thousands of climate leaders fighting for justice.
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'Thirty years ago, this river was dying. Because we organized, the ecosystem breathes again. I bring my grandchildren to witness it.' — Commissioner James
Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across industries to hold polluters accountable.