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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 volunteers like you. Your voice is essential.

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

• Community science programs for grassroots knowledge

Join thousands of climate leaders organizing for change.

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'Thirty years ago, this river was dying. Thanks to this organization, the ecosystem breathes again. I watch the difference daily.' — Commissioner James

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