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亚洲城市的无尽之夏

波茨坦/米兰——现在是亚洲的季风季——季风季的到来标志着数月高温的结束。但极端热浪还会回来,城市将面临特别严重的状况。亚洲城市地区的高温日数已经是农村地区的两倍——到2100年甚至可能达到十倍之多。真到那时,人们已经看不到逆转趋势的希望。

由亚洲开发银行(ADB)和波茨坦气候影响研究所(PIK)联合进行的亚洲气候风险首次详细评估表明亚洲城市正处在对抗气候变化战斗的第一线上。事实上,地球变热的诸多后果——包括极端气候事件、海平面上升、环境移民和社会紧张局势加剧——都将在城市地区出现相交。

亚洲的情况尤其如此,那里的城市拥有近半数的人口并支撑着近80%的经济增长。截至2050年,亚洲地区的城市人口可能接近翻番,达30亿人以上。如果不出台新的气候措施,该地区的城市有可能贡献今后20年全球温室气体排放增长的一半以上。

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