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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. Every contribution matters.

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We believe that nature can heal if we restore what was lost. Our decade of victories shows that grassroots action works.

• Habitat restoration to prevent extinction

Join thousands of environmental advocates organizing for change.

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'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my data prevents contamination. Now I'm leading others.' — Michael O., Community Monitor

We believe that nature can heal if we restore what was lost. Our 20-year track record shows what's possible.