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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 scientists 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 nature can recover.

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

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'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my voice prevents extinction. Now I'm inspiring others.' — Jennifer M., Water Guardian

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