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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 community members 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 political boundaries to solve problems at their source.

• Disaster response for vulnerable populations

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

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'Thirty years ago, this river was forgotten. Because we organized, native fish are returning. I work alongside their team.' — Elder Maria

The science is clear: healthy water systems feed us, sustain us, and deserve our protection. We predict risks so communities can act.