星期一 2025年 11月 17日
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全球变暖致恶性循环 2050年能源需求将增1/4

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到了2050年,全球能源需求也会增加1/4。

 

根据“中央社”报道,研究人员24日表示,即使气候变暖幅度温和,到了2050年,全球能源需求也会增加1/4,但如果人类不约束温室气体排放量,能源需求将攀升近60%。

这项研究成果发表在《自然通讯》期刊上。执笔人之一、波士顿大学的温恩说:“能源用量攀升,吸热的温室气体的排放量会跟着增加,进而推升空调所耗费的能源,让减缓未来暖化的难度增加,成本也更高。”

国际能源总署数据显示,2018年全球发电量中来自石油与天然气的占2/3,太阳能与风力占不到10%。

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即使在乐观情况下,且排除气候变迁会导致能源需求提升,再生能源增加的速度仍来不及于2050年前取代化石燃料。

水力发电与核能这两项不会产生二氧化碳的发电方式,提供全球1/4电力,但在快速提高发电量上,潜力很有限。

国际能源总署统计,就全球而言,到了2050年,冷气将消耗的能源将是现在的三倍,所需的额外电力量相当于美国、欧盟与日本2018年发电量的总和。

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