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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 community members like you. Every contribution matters.

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

• Real-time data networks of water quality shifts

Join thousands of climate leaders organizing for change.

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'Thirty years ago, this river was forgotten. Because we organized, 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.