Global Warming

Topics: Fossil fuel, Carbon dioxide, Global warming Pages: 6 (1915 words) Published: April 27, 2013
Global Warming
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Global warming is a threat to earth and mankind. Global warming refers to the increase in the temperature of earth’s atmosphere. The increase in global temperature has been occurring in the past several years. According to Nardo et al., author of Climate Crisis: The Science of Global Warming, “scientists noted that of the 21 hottest years recorded, 20 of which occurred in the recent 25 years, with the hottest temperature was recorded in 2005. The all-time records of the hottest years in history have been broken since global temperature has remained higher than 100 degrees Fahrenheit in many parts of the world. Scientists also found that between 1982 and 2007, the overall temperature of the earth’s atmosphere increased by half a degree. Although this increase in temperature appears to be insignificant, small changes in the global temperature can actually have enormous effects in the climate. Moreover, it has been noted that global temperature is steadily rising, which means that the earth , mankind and all living things are bound to experience the adverse effects in the coming years“ (5). The adverse effects of global warming would be felt by all living things, and may even threaten the existence of some species. Nardo et al. on the book, Climate Crisis: The Science of Global Warming, stated that, “it was estimated that up to 30 percent of the species have increased risk of extinction if earth’s temperature rises 3.6 degrees Fahrenheit than the average temperature in the 1980s and 1990s” (5). The warming of the earth’s atmosphere subsequently results in the rise of the temperature of the bodies of water such as lakes and oceans. The increase in global temperature is apparent in the rapid shrinking of the world’s glaciers. Nardo et al. cited the case of Grinnell Glacier in Glacier National Park in northern Montana as an example wherein the ice retreated significantly in the past century so that it is almost gone at present. As for the Cascades Range in Oregon and Washington, its volume has notably reduced by 20 to 40 percent since 1984 (5). Indeed, there is evidence that ice caps have rapidly thinned. It was also reported that in recent years, some of the polar ice caps have actually disappeared. Nardo et al. also pointed out that extreme weather conditions experienced in different parts of the world is a result of global warming. It was noted that, “some regions may experience extremely hot weather, while others may experience extremely cold and harsh winters. Still others may experience the temperature swinging back and forth, and that the changes in rainfall, drought, flood and storms are also manifestations of climate change” (6). Maslin, in his book, Global Warming: Causes, Effects, and the Future, stated that, “global warming is directly related to the greenhouse gases” (9). “Greenhouse gases such as carbon dioxide and methane form a blanket of gases, which traps the heat from the sun on earth’s surface and prevent it from reflecting back to space. Actually, the natural blanket effect of greenhouse gases is crucial in maintaining the earth’s temperature at levels living things can thrive (10). Since greenhouse gases contributed greatly to the steady rise of global temperature in the past century, it is apparent that addressing the problems with greenhouse gases can reduce the effects of global warming, which can be achieved by finding energy sources with low carbon dioxide emission. Solutions to Global Warming

In order to identify the effective solution for global warming, the cause of this phenomenon should be identified. Scientists proposed a number of theories to explain the increase in global temperature. Most theories suggest that global warming is a direct result of human activities, particularly activities that release gases to the atmosphere....

Cited: Abbasi, Tasneem and Abbasi, S.A. Renewable Energy Sources : Their Impact on Global Warming and Pollution. PHI Learning Pvt. Ltd.
Maslin, Mark. Global Warming: Causes, Effects, and the Future. MBI Publishing Company, 2007.
Nardo, Don, Johnson, Roberta and Young, Terrence E. Jr. Climate Crisis: The Science of Global Warming. Compass Point Books, 2008.
Victor, David G. Global Warming Gridlock: Creating More Effective Strategies for Protecting the Planet. Cambridge University Press, 2011.
Wheeler, Jill C. Nature Power. ABDO, 2007.
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