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

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

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

Join thousands of climate leaders fighting against pollution.

'Thirty years ago, this river was polluted. Through their work, the ecosystem breathes again. I watch the difference daily.' — Dr. Robert L.

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