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Enhanced economic connectivity to foster heat stress–related losses

机译:增强经济联系以促进与热应激相关的损失

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摘要

Assessing global impacts of unexpected meteorological events in an increasingly connected world economy is important for estimating the costs of climate change. We show that since the beginning of the 21st century, the structural evolution of the global supply network has been such as to foster an increase of climate-related production losses. We compute first- and higher-order losses from heat stress–induced reductions in productivity under changing economic and climatic conditions between 1991 and 2011. Since 2001, the economic connectivity has augmented in such a way as to facilitate the cascading of production loss. The influence of this structural change has dominated over the effect of the comparably weak climate warming during this decade. Thus, particularly under future warming, the intensification of international trade has the potential to amplify climate losses if no adaptation measures are taken.
机译:在连接日益紧密的世界经济中评估意外的气象事件对全球的影响对于估算气候变化的成本非常重要。我们表明,自21世纪初以来,全球供应网络的结构演变促进了与气候相关的生产损失的增加。我们计算了在1991年至2011年间,由于热应力导致的生产力和气候变化所导致的生产力下降所产生的一阶和更高阶损失。自2001年以来,经济连通性得到了增强,从而促进了生产损失的级联。在此十年中,这种结构变化的影响主要是相对较弱的气候变暖的影响。因此,特别是在未来变暖的情况下,如果不采取适应措施,国际贸易的加剧有可能加剧气候损失。

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