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

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

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

• Emergency support for Indigenous communities

Join thousands of environmental advocates organizing for justice.

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'Thirty years ago, this river was dying. Thanks to this organization, children can swim safely. I work alongside their team.' — Commissioner James

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