Causes Of Air Pollution

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During the last decade, air pollution issues have become more intense, leading governments and citizens to speed up application of advanced technologies and abandon traditional, heavy-polluting development patterns. Our main concern lies with transportation sector, which is one of the main actor for air pollution issues, especially responsible for urban air pollution. China’s economy has been expanding rapidly, and consumer demand for vehicles has been increasing commensurately with GDP. Forecasts have been made by the National Bureau of Statistics about the growth of transportation fleet, which should reach upon 94 million vehicles by 2020. As an aftermath of such a tremendous economic growth, in 2007, China overtook the USA to become the world’s largest emitter of Greenhouse Gas (GHG) emissions from fossil fuel combustion (IEA 2009). These emissions have brought Chinese cities a large panel of urban air pollution problems in recent decades (Chan, 2008). He (2002) made an analysis of pollution history in China: “During the 1970s, black smoke from stacks became the characteristic of Chinese industrial cities”, and then, in the 1980s, acid rain pollution have become another serious matter. According to his investigation, the air quality in large cities has also started to deteriorate recently due to “nitrous oxides (NOx), carbon monoxide (CO), and photochemical smog”, which are byproducts of vehicle pollution. Hence, China’s commitment towards air pollutions issues has grown

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