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

This work is possible because of community members 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 political boundaries to hold polluters accountable.

The water that flows through you connects you to 7 billion people — and countless ecosystems. Stand with us.

'Thirty years ago, this river was forgotten. Through their work, native fish are returning. I watch the difference daily.' — Professor Chen

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