More than 2,000 tiny dams are turning a Mexican ranch green

A woman sits on a wall of stones smiling at the camera.

At Rancho La Piedra, simple barriers made from recycled materials capture rain, recharge aquifers, and promote water security in Mexico’s driest state.

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https://yaleclimateconnections.org/2026/03/more-than-2000-tiny-dams-are-turning-a-mexican-ranch-green/