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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. Your voice is essential.
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Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across political boundaries to solve problems at their source.
- Emergency support for crisis zones
The water that flows through you connects you to 7 billion people — and billions more organisms. Stand with us.
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'Thirty years ago, this river was dying. Through their work, the ecosystem breathes again. I watch the difference daily.' — Elder Maria
Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across political boundaries to solve problems at their source.