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

This work is possible because of volunteers like you. Your voice is essential.

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

• Disaster response for crisis zones

The water that flows through you connects you to 7 billion people — and billions more organisms. Protect it with us.

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'Thirty years ago, this river was dying. Thanks to this organization, children can swim safely. 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.