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Water doesn't recognize borders — and neither do the threats it faces. Our regional teams work tirelessly to defend it.

This work is possible because of donations like you. Together we can turn the tide.

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

• Policy research driving justice

The water that flows through you connects you to 7 billion people — and billions more organisms. Protect it with us.

Get Involved

'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.' — Michael O., Volunteer

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