China has proposed that it will cut its' carbon intensity '— the amount of carbon emitted per percentage point of gross domestic product — by 40% to 45% by 2020.

中国提出在2020年前将碳强度削减40%至45%。

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China, now the world's biggest emitter, and so the country in the spotlight, has committed itself to cut the carbon-intensity of its economy by 40-45% by 2020.

中国目前是世界上最大的排放国，也是公众的焦点，并已经承诺至2020年将碳排放浓度削减40 - 45%。

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The pledge is to cut carbon emissions intensity by 40 percent to 45 percent from the 2005 level, which would put emissions intensity near 1.75 tons carbon dioxide per 10, 000 yuan of GDP.

这项承诺是将二氧化碳排放强度从2005年的水平削减40%至45%，这样的话，每万元GDP的排放强度大约为1.75吨二氧化碳。

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In 2006 China set a target of a 20% cut by 2010 of its energy intensity (the amount of energy consumed per unit of GDP).

ECONOMIST: Pollution in China

China, now the world's biggest emitter, and so the country in the spotlight, has committed itself to cut the carbon-intensity of its economy by 40-45% by 2020.

ECONOMIST: The Copenhagen Summit

China, India and other developing countries have already promised to cut the energy or carbon intensity of their expanding economies.

ECONOMIST: Climate-change talks