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Global Health - Essay Example

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It is apparent that the world is experiencing global meteorological change as is evident in the varying and unpredictable weather patterns experienced throughout the world. Unpredictable hurricanes, typhoons, hailstorms and prolonged droughts are some of the weather patterns…
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Global Health It is apparent that the world is experiencing global meteorological change as is evident in the varyingand unpredictable weather patterns experienced throughout the world. Unpredictable hurricanes, typhoons, hailstorms and prolonged droughts are some of the weather patterns that have gone to outline these changes. The fact that the world is constantly experiencing global meteorological change can be attributed to various human activities. In his novel, State of fear, Crichton (2005) attributes the growing atmospheric carbon dioxide to human activity (31, 32). Crichton’s sentiments are echoed in the works of Santer and his Co-authors while the human activities play a role in the changing global meteorological structure, it is not entirely to blame for the weather patterns. Writing for the IPCC in their 1996 paper, Santer and his Co-authors said that the temperature change being experienced in the atmosphere is ‘partially due to human activity’.
In the movie, Day After Tomorrow, the climatologist, Jack Hall, predicts a reoccurrence of the ice age. In the prediction, the time of the ice age is estimated to occur in the next 100-1000 years. However, this can only accelerated if the human activities that pollute the environment are not put on hold. This implies the conviction in Jack Hall of the significant contribution of human activities to global warming and global meteorological change.
With approximately 90% of human time spent indoors, the importance of quality outdoor air has been underestimated. Such negligence is due to the ignorance of the amount of pollutants one is exposed to whenever they get into polluted outdoors. Nitrogen dioxide and ground level ozone are some of the pollutants that are freely available in the heavily polluted outdoors.
The fact that many people tend to prefer performing their activities indoor is understandable given the ease in controlling the quality of indoor air. The factors such as home cleanliness, plant and pest presence, and home chemicals are within the control of the homeowners. However, performing activities such as exercising indoors does not help one with avoiding these pollutants.
The Environmental Protection Agency’s (EPA) primary standards are essential in establishing an ambient air quality. The Clean Air Act is one of the regulations applied by the EPA to ensure clean outdoor air. These standards are important in determining the pollution levels that are considered acceptable for the outdoor air. Despite the availability of these standards and its best efforts, the EPA finds it difficult to control pollution resulting from to the small scattered but cumulatively catastrophic sources. They are, however, able to control the emission from single concentrated places such as industries. Such large pollutants are referred to as point sources because their annual emissions are about 25 tons of numerous air pollutants. Facilities that contribute 10 tons of a particular toxic atmospheric pollutant annually is also a point source.
The natural and anthropogenic sources of air pollution both contribute to the overall ambient air pollution. However, the anthropogenic air pollution sources can be varied through human effort. Industrial processes, internal and external combustion, evaporation of solvents and petroleum, and waste disposal emissions are the core sources of point source air pollution.
Works Cited
Crichton, Michael. State of fear: a novel. New York: HarperCollinsPublishers, 2004. Print. Retrieved from: http://webcontent.harpercollins.com/text/excerpts/pdf/0060820640.pdf Read More
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