冰岛地热温室：在冰雪中种出商业奇迹
On the outskirts of Reykjavik, rows of glasshouses steam gently against a backdrop of glaciers and volcanic rock. These geothermal greenhouses use the island's abundant underground heat to grow tomatoes, cucumbers, and even tropical peppers year-round, turning a harsh Arctic climate into a competitive advantage.
The business model is surprisingly straightforward. Pipes carry hot water from geothermal wells under the greenhouses, maintaining a constant temperature of around 25°C even when outside temperatures drop to negative double digits. LED lights powered by clean geothermal electricity further extend the growing season, making yields comparable to those in sunnier European countries.
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