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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 donations 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 propose solutions so nature can recover.

• Indigenous partnerships for grassroots knowledge

The water that flows through you connects you to 7 billion people — and future generations. Stand 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 action prevents contamination. Now I'm leading others.' — Sarah K., Volunteer

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