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Environmental Problems: Air Pollution Essay

2223 words - 9 pages

Introduction:

Air pollution is among the critical challenges facing modern societies and is one of the most pressing environing mental problems. Air pollution is accountable for major harmful effects on human strength, animal survives, natural ecosystems and the man-made environment. It is also responsible for climate change due to the improved greenhouse effect, acid rain, and the reduction of the ozone layer that inaugurate important global environmental problems. Air pollution occurs both outdoors and indoors and is caused by human activities and natural mechanisms. Although air quality degradation because of air pollution is a global problem that threatens humanity’s wellbeing overall, ...view middle of the document...

The main anthropogenic bases of pollutants unconfined in the atmosphere are human actions such as transport (motor vehicles, aircrafts), scorching coal or other fossil fuels for energy stresses, manufacturing practices, or use of chemicals in agriculture, and services like power plants, furnaces, landfills for waste statement. (Anastasia Dimitriou and Vasilia Christidou, 2011)

Indoor air pollution:
Indoor air pollution mentions to the amount of chemical, biological and physical pollutants in the air confidential a building. Indoor air pollution can often be inferior to outdoor air pollution. There is a extensive range of indoor air pollutant causes in houses including building resources, hard-pressed wood goods and equipment, dominant heating and cooling systems, several individual care or household cleaning products, painting colors, solvents, heating or cooking applications (stoves, wood and gas burning fireplaces, gas fires), tobacco burn, office machineries and a diversity of other crops used in daily events. (Anastasia Dimitriou and Vasilia Christidou, 2011)

In addition, outdoor pollutants are also found in indoor places, such as radon (a natural trace component of soil and ground). The main foundation of indoor air pollution is household burning of coal or biomass for cooking and warming. It is projected that more than half of the world’s population trusts on animal dung, wood, crop waste, or coal to meet their most elementary energy needs. The main indoor pollutants that can almost be drawn in any home are between others formaldehyde, asbestos, carbon monoxide, nitrogen oxides, sulphur oxides, benzene, polyaromatic combinations, particulate substance, toxic metals (lead, mercury, cadmium, and chromium), and unstable organic compounds. (Anastasia Dimitriou and Vasilia Christidou, 2011)
Indoors air temperature and humidity, biological pollutants (bacteria, mold, pollen, and viruses) as well as congestion are also significant issues responsible the quality of indoors air. In specific, high air temperature and humidity can move the rate of indoors pollutant productions. Additionally, these factors joint with poor building ventilation can further damage air quality since indoors pollutants cannot be removed. (Anastasia Dimitriou and Vasilia Christidou, 2011)

Primary and Secondary Pollutants:
Pollutants can be categorized as primary or secondary. Primary pollutants are materials that are straight produced into the atmosphere from causes. The highest primary pollutants known to source damage in high adequate focuses are the following:
• Carbon compounds, such as CO, CO2, CH4, and VOCs
• Nitrogen compounds, such as NO, N2O, and NH3
• Sulfur compounds, such as H2S and SO2
• Halogen compounds, such as chlorides, fluorides, and bromides

Secondary pollutants are not straight produced from causes, but in its place form in the atmosphere from primary pollutants (also named “forerunners”). The main secondary pollutants known to reason harm in...

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