The problem is not new and has been ongoing for a number of years. According to a 2007 report by The World Bank, 16 of the world’s most polluted cities are located in China. The pollution in the cities encompasses different kinds such as air, water, organic and waste.
空气污染问题已经不是什么新鲜事了,这一问题持续存在了数年。据世界银行2007年报告,世界污染最严重的城市中有16座位于中国。城市污染物形式复杂多样,如空气污染、水污染、有机污染、废弃物污染等。
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