Status of air pollution in the world.According to the first report of the World Health Organization (WHO) has just been published on 26/9 at Giơnevơ, Switzerland, about the air quality parameters in many countries in the world, said that air pollution in the world were at levels harmful to human health.(The study of air samples collected near 1100 cities in 91 countries around the world, including the capital and cities with population over 100,000 people.)Besides, according to the statistics of the World Health Organization (WHO), each year, the world had about 2 million children suffer death by respiratory infections, 60% of cases are related to air pollution.In China, the situation of air pollution in the home caused bad syndrome in the respiratory tract and many other diseases cause about 2.2 million deaths per year, of which one million people under the age of 5.A report by the World Bank in 2007 showed that 750,000 Chinese die prematurely each year due to air pollution and water pollution.
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