城市化是一个国家和地区经济发展的结果,世界城市人口已占总人口的三分之一,而且每年还以0.33％速度递增,预计到本世纪末,将有一半人口进入城市。有人惊呼为“城市人口爆炸”。也有人称之为“20世纪伟大的人口迁移”。有人惊慌,认为将带来环境恶化,我们的地球失去生态平衡。有人赞赏,认为标志着人类文明的进一步发展,城市将进入“效率和情报的年代”。有人认为城市化要加以控制,有人 Urbanization is the result of economic development in a country and a region. The world’s urban population accounts for one third of the total population, and it is growing at a rate of 0.33% per year. It is expected that by the end of the century, half of the population will enter the city. Some people exclaimed as “urban population explosion.” Some people call it “the great migration of the 20th century.” Someone is alarmed that it will bring about an environmental deterioration and our planet will lose its ecological balance. Some people admired it and thought that it symbolized the further development of human civilization and that cities will enter the “age of efficiency and intelligence.” Some people think that urbanization needs to be controlled.