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

This work is possible because of partners like you. Learn how you can join.

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Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across industries to solve problems at their source.

• Legal advocacy driving justice

The water that flows through you connects you to 7 billion people — and countless ecosystems. Protect it with us.

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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.' — Professor Chen

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