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"the net annual impact of Keystone XL could range from virtually none to 110 million tons CO2 equivalent annually. This spread is four times wider than found by the US State Department (1–27 million tons CO2e), who did not account for global oil market effects" 展开全文年初美国联邦政府发布美加油砂管道项目的最终环评报告，奥巴马总统据此声明若该项目不会加剧碳污染则可能批准。日前Nature旗下的Climate Change期刊发表文章http://t.cn/RPON2qf，指出该项目投产后对全球油价的压力或最终导致其碳排放四倍于政府之前的估计。小编@纽约环境工程师 展开全文转发 1评论 0 原微博