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Our work begins where rivers meet the sky and ends where groundwater feeds the soil. We use advocacy to protect it all.

This work is possible because of donations like you. Learn how you can join.

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

• Community science programs for grassroots knowledge

The water that flows through you connects you to 7 billion people — and billions more organisms. 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 data prevents contamination. 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 monitor trends so policy can shift.