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日本IT行业的二氧化碳排放量仅占其排放总量的1.4%(仅占工业部门的5%),但IT行业对交通运输、住宅等其他行业的二氧化碳减排也起到了不可忽视的作用。2008年6月的GeSI(全球电子可持续性倡议)报告显示,在2020年IT行业的二氧化碳排放量将占全球排放总量的2.8%,但在常态(BAU)下,2020年IT行业可减排78亿吨的二氧化碳。该减排量相当于常态下2020年排放量的15%,也是其自身排放量的5倍。为了给绿色ICT(信息通信技术)政策
Japan’s IT industry accounts for only 1.4% of its emissions (accounting for only 5% of the industrial sector), but the IT industry also plays a significant role in reducing carbon dioxide emissions in other industries such as transportation and housing. The June 2008 GeSI (Global e-Sustainability Initiative) report shows that the IT industry will account for 2.8% of global CO2 emissions by 2020, but under normal conditions (BAU), the IT industry will decrease in 2020 7.8 billion tons of carbon dioxide emissions. This emission reduction is equivalent to 15% of normal emissions in 2020 and 5 times their own emissions. To give green ICT (information and communications technology) policy