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Zoos are pioneering sustainable farming

Added on 15 May 2025

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Zoos are pioneering sustainable farming
Photo by Petr Magera on Unsplash

The Cincinnati Zoo has embraced hydroponics—growing plants without soil using nutrient-rich water and LED lighting—to produce over 10,000 pounds of lettuce and kale annually.

This system ensures a steady supply of fresh greens for giraffes, manatees, and elephants while reducing reliance on external suppliers.

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