Sample Essay on:
Earth's Ecology/A Looming Crisis

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Essay / Research Paper Abstract

A 5 page research paper that discusses several ecological crises. The writer discusses the depletion of the ozone layer; the increased incidence of asthma and other respiratory diseases; and the climatic consequences of global warming, which includes a connection to the increased strength of hurricanes. The writer also connects this to the HAARP in Alaska, as an indication of the hubris of authorities in coping with these problems. Bibliography lists 8 sources.

Page Count:

5 pages (~225 words per page)

File: D0_khecocri.rtf

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Unformatted sample text from the term paper:

history. However, the environment actually has shown considerable variability over the course of geological time (Steffen, et al 8). Scientists know that ice ages have occurred periodically throughout the Earths geologic history. They know that the Sahara Desert was once lush with vegetation. In other words, ecological change is not new. What is new is the role that human beings have played in bringing about relatively abrupt, but fundamental changes, in the Earths ecology systems. An ecological problem is perceived when climatic or other forms of ecological change seriously endangers human populations. In this regard, a series of problems or crises are looming for the human race on a variety of ecological fronts, which include the depletion of the ozone layer; the increased incidence of asthma and other respiratory diseases; and the climatic consequences of global warming, to mention only a few of the many impending ecological problems that are currently developing. First of all, the hole in the ozone layer that exists over Antarctica has been definitely shown to be the result of human activity (Steffen, et al 8). This development should serve as a strong warning to the world that human activities have the ability to trigger dramatic change in the Earths ecosystems. The ozone layer is that portion of the Earths atmosphere that contains high concentration of ozone (Busman and Belen). This exists in the upper reaches of the atmosphere and serves to filter out the vast majority of the ultraviolet radiation hitting the Earth from the sun (Busman and Belen). It essentially acts as the Earths "sunscreen" protection and without it the full blast of solar radiation would reach the surface, deeply damaging all living things. Without the ozone layer, every form of life on the planet would be in ...

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