Next to the industrial area and the village pollutes the environment, at the big, urban pollution is also alarming. It is the pollution of the sewage, garbage, medical waste, noise, air ... In recent years, the population in the municipalities of rapidly increasing water supply and sewerage system is not responding and degraded quickly. Sewage, garbage (inorganic and organic) in most municipalities are directly discharged into the environment without any treatment methods would beyond the transport to landfills. According to the statistics of relevant authorities, each day people in the big cities discharged thousands of tons of rubbish; the manufacturing facilities emit hundreds of thousands of cubic meters of toxic waste water; the vehicles emit hundreds of tons of dust, toxic gases. In total about 34 tons of solid waste every day, health Hanoi and Ho Chi Minh City takes up to 1/3; the atmosphere of the city of Hanoi and Ho Chi Minh City has the level of benzene and sulphur dioxide alarming. According to a new research results published in 2008 by the World Bank (WB), the cities of Vietnam, over 10 by the ranking on the pollution of soil, water, air, Ho Chi Minh City and Hanoi is the heaviest soil pollution areas. According to the report of the environmental programmes of the United Nations, Hanoi and Ho Chi Minh City topped Asia about the dust pollution level
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