Problem pollution essay

We exploit a national database on electric power plants in China and estimate the dispersion from 160 smokestacks. For a smaller sample of power plants, we also calculate the concentration of “secondary particles” (sulfates and nitrates) formed in the atmosphere from SO 2  and NO x . The measured concentration of TSP in any particular location is due to the sum total of these secondary particles and the primary particles emitted from smokestacks. Although it is obvious that different industries produce different levels of emissions per unit of output, it is less obvious that each ton of emissions produces a different level of health damages—reflecting differences in meteorology, smokestack characteristics, proximity to dense populations, and particle size distributions.

With active economic growth and a huge number of citizens, China is considered as the largest developing country in the world. Due to urbanization, light pollution generalize is an environmental factor that significantly influences the quality and health of wildlife. According to Pengpeng Han et al., “In the 1990s, the increasing trend in light pollution regions mostly occurred in larger urban cities, which are mainly located in eastern and coastal areas, whereas the decreasing trend areas were chiefly industrial and mining cities rich in mineral resources, in addition to the central parts of large cities.” In the 2000s, nearly all urban cities were dominated by an uprising trend in light pollution. [55]

There are numerous health problems in shanty towns. Firstly, because the sites are illegal the government does not provide piped water. As a result, drinking and bathing water are usually dirty and this causes diseases such as dysentery, typhoid and hepatitis, as well as skin and eye diseases. Secondly, houses are often overcrowded and have poor air circulation. This makes it easier to catch diseases like flu, TB and diphtheria where infection enters through the throat. Thirdly, there are no drains, sewers or rubbish collection services. The resulting pools of stagnant water and heaps of household waste attract rats and insects, which can pass on diseases.

Problem pollution essay

problem pollution essay

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