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5.96亿吨：全球甲烷水平飙至历史新高
source link: https://tech.sina.com.cn/d/i/2020-07-16/doc-iivhuipn3293020.shtml
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来源： 中国科学报过去20年，全球甲烷排放量增加了近10%，这种强大的温室气体在大气中的浓度达到了创纪录的高水平。追踪温室气体变化的全球碳项目科学家称，2017年是有全面数据可查的最近一年，全球年碳排放量达5.96亿吨。科学家在7
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