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The Smart Cities Challenge

机译:智慧城市挑战

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摘要

The 21st century has been called the century of cities. Although they take up just 2% of the world's surface, cities are home to half of the world's population and concentrate 80% of world economic output At the same time as being key drivers of job creation and innovation, cities are also the largest consumers of natural resources and the biggest sources of CO_2 emissions and pollution on the planet.
机译:21世纪被称为城市世纪。尽管城市只占世界的2%,但城市却是世界人口的一半,集中了世界80%的经济产出。同时,城市还是创造就业和创新的主要驱动力,同时也是最大的消费者自然资源以及地球上最大的CO_2排放和污染源。

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