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Water doesn't recognize borders — and neither do the threats it faces. Our international teams work year-round to restore it.

This work is possible because of scientists like you. Every contribution matters.

Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across industries to hold polluters accountable.

Join thousands of water guardians organizing for justice.

'Thirty years ago, this river was dying. Thanks to this organization, native fish are returning. I work alongside their team.' — Elder Maria

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