伴随着人均排放量的稳定增长，未来二十年中，毫无疑问俄罗斯将成为可以和美国匹敌的最大碳排放国之一。

With per capita emissions in the country steadily rising, Russia is expected, in the absence of any change, to rival the United States as the top per capita emitter within the next 20 years.

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美国的人口结构相对比较有利，但在未来二十年，其劳动年龄人口每年增长约0.3%，不足一战后平均水平的三分之一。

America's demography is far more favourable, but the growth in its working-age population, at some 0.3% a year over the coming two decades, will be less than a third of the post-war average.

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