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Our work begins where rivers meet the sky and ends where groundwater feeds the soil. We use partnerships to protect it all.
This work is possible because of scientists 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 political boundaries to solve problems at their source.
- Corporate accountability driving justice
Every action counts — from small donations to big movements. There's still time if we move now.
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'Thirty years ago, this river was dying. Thanks to this organization, children can swim safely. I bring my grandchildren to witness it.' — Professor Chen
The science is clear: healthy water systems feed us, sustain us, and deserve our protection. We predict risks so communities can act.