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1.从全球中长期可持续发展的角度看节能预计2050年的世界人口达到90亿左右,到那时候可能世界各个国家的人都拥有自己的汽车,拥有自己的住房。如果依然按照目前的发展模式,届时能耗将是目前的3倍。全球二氧化碳浓度将达到600PPM左右,即工业化以前的两倍左右。全球温度随之上升3.5度左右,地球将面临灭顶之灾。
1. Energy saving from the perspective of global medium and long-term sustainable development It is estimated that by 2050 the world’s population will reach about 9 billion. By that time, it may be that people in all countries in the world own their cars and own their own homes. If still in accordance with the current mode of development, then the energy consumption will be three times the current. The global carbon dioxide concentration will reach around 600PPM, that is, about twice before industrialization. The global temperature will rise 3.5 degrees or so, the Earth will face drowsiness.