Air Pollution Summary 7 - 2258 Words

AIR POLLUTION The major pollution caused by factories or industrials’ activities is air pollution. According to the Engineers’ Joint Council â€Å"Air Pollution and Its Control†, air pollution means the presence in the outdoor atmosphere of one or more contaminants, such as dust, fumes, gas, mist, odour, smoke or vapour in quantities of characteristics and of duration, such as to be injurious to human, plant or animal life or to property or which unreasonably interfaces with the comfortable enjoyment of life and property. On the other way, air pollution also can be defined as the chemicals, particulate matters or biological materials that cause harm or discomfort to humans or other living organisms, or damages the natural environment, into†¦show more content†¦This produces the so-called greenhouse effect that prevents a drastic cooling of the Earth during the night. Increasing the amount of CO2 in the atmosphere reinforces this effect and is expected to result in a warming of the Earths surface. Currently carbon dioxide is responsible for 57% of the global warming trend. Another type of air pollutant is carbon monoxide, which is a colourless, odourless, non-irritating but very poisonous gas. It is a product by incomplete combustion of fuel such as natural gas, coal or wood. Vehicular exhaust is a major source of carbon monoxide. Nitrogen oxides such as nitric oxide (NO3) or nitrogen dioxide (NO2) also contribute most of the atmospheric contaminants. They are natural component of the Earths atmosphere which comes from the burning of biomass and fossil fuels. The industrial activities produced 30 to 50 million tons per year. They cause the formation of both acid precipitation and photochemical smog (ozone), and causes nitrogen loading which can reduce the stratospheric ozone. Another type of nitrogen oxide is nitrous oxide (N2O). N2O comes from nitrogen based fertilizers, deforestation, and biomass burning. The human inputs 6 million tons of N2O per year. It can cause the greenhouse effect and causes nitrogen loading. Sulphur dioxide is produced by combustion of sulphur-containing fuels, such as coalShow MoreRelatedEnvironmental Problem in Mongolia Essay875 Words   |  4 PagesThe environment is everything around us. It is the air, water, land, climates and so on. A clean, well balanced environment has far reaching effects over all life forms and mankind. However, Mongolians can’t keep the environmental balance in recent times. Thus, it is causing serious negative effects such as air and water pollution, deforestation, desertification and land degradation. I think that the worst problems now affecting Mongolia are pollution and deforestation. 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