地理漫步·世界地理英语30篇（8）
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Urban Heat Islands Alter Local Climate
城市热岛改变局地气候
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Cities hold more heat than surrounding rural areas at night.城市夜间比周边农村地区更热。
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Concrete, asphalt, and buildings absorb and re-radiate solar energy.混凝土、沥青和建筑物吸收并重新辐射太阳能量。
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Fewer trees and less soil reduce cooling through evaporation.树木和土壤减少，削弱了蒸发降温效果。
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Temperatures in city centers can be up to ten degrees warmer.市中心气温可能高出多达十度。
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Heat islands increase energy use for air conditioning in summer.热岛效应会增加夏季空调能耗。
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They also worsen air pollution and affect human health risks.还会加剧空气污染，影响人类健康风险。
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Green roofs and tree-lined streets help lower urban temperatures.绿色屋顶和林荫街道有助于降低城市温度。
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Mapping heat islands guides better city planning and design.绘制热岛图可指导更科学的城市规划与设计。