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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 volunteers like you. Every contribution matters.

Get Involved

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.

• Long-term scientific monitoring of water quality shifts

Join thousands of environmental advocates fighting against pollution.

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'Thirty years ago, this river was forgotten. Through their work, the ecosystem breathes again. I bring my grandchildren to witness it.' — Elder Maria

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