Cuases and Effects of Global Warming on World Economy

Topics: Climate, Sun, Earth Pages: 3 (927 words) Published: May 5, 2013
As one of the urgent issues of human existence during the coming 50 years, global warming has become a widespread concern among the world community. Global warming can be defined as the abnormal increase of the average temperature on the surface of the earth. According to statistics, average temperatures have been increased by 1.4 degrees Fahrenheit (0.8 degree Celsius) around the world since 1880 (National Geographic News, 2007). This eassy will outline the causes and illustrate the effects on economies around the world with a series of evidence and data. To begin with, two main causes of the climate change will be outlined, which are believed to be the result from natural phenomenon, and human activities.

Some of the natural phenomenons, such as solar radiation and the cyclical change in the atmosphere of the earth, have significantly caused the climate change. Since the solar energy is the basic source of the earth climate system, it is believed that the sudden change of solar radiation output attributable to solar activities such as sunspot and solar storm, may affects global climate in a short period (Natural Causes of Global Warming, 2010). In another aspect, the position of the earth relative to the sun also varies slightly in the climate change. To some extent, the periodic movement of the earth can increase the radiation receipt at high northern latitudes especially during the summer time, which is regarded as one of the causations of the going-up temperature (Easterling and Karl, 2008).

While the natural causes take a hand in heating up the earth, the impact of human activities is undoubtly the major cause of climate change. With a concentration on the greenhouse gases such as carbon dioxide, it is primarily produced by fossil fuels combustion, deforestation and waste diaposal. This type of gases is constantly trapping the heat from the sun in the atmosphere. Because of the industrialisation, the level of carbon dioxide is 100 parts per million...
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