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

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

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

• Real-time data networks of water quality shifts

Join thousands of water guardians fighting against pollution.

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

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