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Water doesn't recognize borders — and neither do the threats it faces. Our international teams work 24/7 to restore it.

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

Volunteer

Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across generations to rebuild what was lost.

• Emergency support for vulnerable populations

Join thousands of climate leaders organizing for change.

Volunteer

'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my data prevents harm. Now I'm inspiring others.' — Sarah K., Watershed Advocate

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