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在不同的减排目标和不同的GDP增长率的情景假设下,测算了我国实现二氧化碳减排目标所需的增量成本。结果显示:要实现到2020年单位GDP碳密度比2005年降低40%的减排目标,到2020年每年所需的增量成本约为104亿美元;而当减排目标提高到45%时,到2020年每年所需的增量成本迅速增加到318亿美元左右。
With different emission reduction targets and different GDP growth scenarios, the incremental costs required to achieve the goal of reducing carbon dioxide emissions are measured. The results show that to achieve the goal of reducing the carbon intensity per unit of GDP by 40% by 2020 from 2020 to 2020, the incremental cost required for each year will be about 10.4 billion U.S. dollars. When the emission reduction target is increased to 45% The incremental cost required each year by 2020 rapidly increases to about $ 31.8 billion.