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Our work begins where rivers meet the sky and ends where groundwater feeds the soil. We use community power to protect it all.

This work is possible because of scientists like you. Every contribution matters.

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

• Legal advocacy driving enforcement

Join thousands of environmental advocates pushing back against pollution.

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'Thirty years ago, this river was polluted. Thanks to this organization, the ecosystem breathes again. I bring my grandchildren to witness it.' — Dr. Robert L.

We believe that nature can heal if we give it the chance. Our decade of victories shows that change happens.