地理漫步·世界地理英语30篇（7）
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Urban Heat Islands Make Cities Warmer Than Countryside
城市热岛效应使城市比郊区更暖
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Dark roofs and roads absorb more sun than green fields or forests.深色屋顶和道路比绿地或森林吸收更多阳光。
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Cities lack trees and soil that cool air through evaporation.城市缺乏通过蒸腾作用降温的树木和土壤。
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Heat builds up and stays longer in dense neighborhoods at night.夜间，密集社区的热量积聚且持续时间更长。
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Temperatures in city centers can be 2–5°C higher than nearby rural areas.城市中心气温可能比周边农村地区高2–5°C。
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Poor air quality often worsens with higher urban temperatures.空气质量常因城市气温升高而进一步恶化。
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Green roofs and tree-lined streets help lower local heat levels.绿色屋顶和林荫道有助于降低局部温度。
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Air conditioners run more in hot cities, using more electricity.炎热城市中空调使用更频繁，耗电量更大。
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Planners use satellite maps to locate and reduce hottest zones.规划者利用卫星地图定位并缓解最热区域。