最新“全球人居报告”显示，世界过半数人口都居住在城市，从而导致各种问题发生。
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"Global Report on Human Settlements"
U.N. Habitat
Art Hall
University of Kansas
"de-urbanization"
Over half the world's people now live in cities. The latest "Global Report on Human Settlements" says the historic change took place last year. The report came out this week from U.N. Habitat, a United Nations agency. A century ago, less than 5% of all people lived in cities. By the middle of this …
如今世界过半数人口都居住在城市。据最新一份“全球人居报告”显示，在去年这一情况发生了巨大变化。联合国人居机构在本周发布了这项报告。 一个世纪前，全球城市人口不足5%。到本世纪中叶，城市人口可能上升至70%，约有65亿人。发达国家现有四分之三的人口为城市人口。现在，大多数城市人口增长发生在发展中国家。 城…