News Release

经济不平等与全球变暖

Peer-Reviewed Publication

Proceedings of the National Academy of Sciences

The economic impact of global warming during the 1961-2010 and 1991-2010 periods.

image: The economic impact of global warming during the 1961-2010 and 1991-2010 periods. The value for each country is the estimated impact of global warming on country-level per capita GDP. Differences in the presence/absence of countries between the 1961-2010 and 1991-2010 periods reflect differences in the availability of country-level economic data. Differences in the magnitude of country-level values between the 1961-2010 and 1991-2010 periods reflect the influence of accumulation time on the net accumulated economic impact. view more 

Credit: Image courtesy of Noah S. Diffenbaugh and Marshall Burke.

一项研究识别出了在人类活动造成的全球变暖与全球经济不平等之间的联系。历史气温趋势对经济不平等的效应尚不清楚。Noah S. Diffenbaugh 和 Marshall Burke计算了如果人类导致的全球变暖并没有出现,那么过去半个世纪各国的人均国内生产总值将是多少。这些计算把对温度涨落和经济增长之间的关系的经验估计与来自各国没有人类活动造成的气候强迫情况下的估计的历史温度涨落的21个模型的模拟结合起来。这组作者估计,长期全球变暖减少了排放二氧化碳最少的全世界最贫穷国家的增长,而且很可能增加了许多富裕、高排放国家的经济增长。在考虑到每个国家的经济冲击之后,这组作者估计,全球变暖已经增加了最低和最高十分位数人口之间的经济不平等,因此也就比没有全球变暖情况下产生的经济不平等更大。这组作者说,这些发现提示,富裕国家的化石燃料能源消耗很可能不利地影响了穷国的经济,这提示用低碳能源取代化石燃料可能有助于减少全球经济社会不平等。

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