Ten most polluted cities in China.

The cities with the heaviest air pollution 10 are Linfen, Yangquan, Datong, Shizuishan, Sanmenxia, Jinchang, Shijiazhuang, Xianyang, Zhuzhou and Luoyang.

Air pollution: In 2000, China's sulfur dioxide emission was19.95 million tons, ranking first in the world. According to experts' calculations, in order to meet the environmental capacity requirements of the national weather, sulfur dioxide emissions should be reduced by at least 40% on the existing basis. In addition, in 2000, the national soot emission was11650,000 tons, and the industrial dust emission was10.92 million tons. Air pollution is the biggest environmental problem in China.

2. Water pollution: China is a country short of fresh water resources. At present, the per capita possession is only 2 154 cubic meters, which is14 of the world's per capita, close to the internationally recognized serious water shortage line below 2000 cubic meters per capita. Controlling water pollution is more urgent than other countries.

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According to environmental factors: air pollution, water pollution, soil pollution, noise pollution, pesticide pollution, radiation pollution and thermal pollution.

By attribute: explicit pollution, implicit pollution.

According to human activities: industrial environmental pollution, urban environmental pollution, agricultural environmental pollution.

According to the nature and source of environmental pollution, it can be divided into chemical pollution, biological pollution and physical contamination (noise pollution, radioactive pollution, electromagnetic wave pollution, etc.). ) solid waste pollution, liquid waste pollution and energy pollution.

Land pollution: garbage disposal has become an important issue in major cities. Tens of millions of tons of garbage every day, many of which cannot be burned or corrupted, such as plastics, rubber, glass and other enemies of mankind.