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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 donations like you. Your voice is essential.

We believe that nature can heal if we restore what was lost. Our growing coalition shows that grassroots action works.

Every action counts — from small donations to big movements. The future is ours if we move now.

'Thirty years ago, this river was polluted. Because we organized, the ecosystem breathes again. I watch the difference daily.' — Dr. Robert L.

Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across industries to hold polluters accountable.