Here is the synopsis of our sample research paper on The Threat of Global Warming
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Essay / Research Paper Abstract
This 10 page paper argues that global warming is real and a dire threat to the survival of the human species. Annotated bibliography lists 8 sources.
Page Count:
10 pages (~225 words per page)
File: D0_HVthglwm.rtf
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Unformatted sample text from the term paper:
"How We Know Global Warming Is Real" author Tapio Schneider answers that very question. Among other indicators, he points out that "atmospheric carbon dioxide concentrations are higher than at any
time in the last 650,000 years" (Schneider 31). They are higher now than they were before the Industrial Revolution, and Schneider attributes the increase to human activities, "primarily the burning
of fossil fuels" (31). He reminds readers that carbon dioxide is what is called a "greenhouse" gas, as are "methane, nitrous oxide [and] water vapor" all of which are found
in nature (Schneider 31). These greenhouse gases "act like a blanket for infrared radiation, retaining radiative energy near the surface that would otherwise escape directly to space" (Schneider 31). This
is a natural process, but problems arise when there is an increased amount of carbon dioxide in the atmosphere; when that occurs, the natural process is greatly augmented: "it increases
the radiative energy available to Earths surface and to the lower atmosphere" (Schneider 31). Unless some other process compensates for the increase in energy, the result is warming (Schneider 31).
The next question is how we know carbon dioxide concentrations have increased, and here Schneider explains that the amount of gases in the atmosphere have been measured since the late
1950s (Schneider). These measurements have revealed a steady increase in the amount of carbon dioxide in the atmosphere, from about "315 parts per million ... in the late 1950s to
about 385 ppm now" (Schneider 31). Its also possible to look at ice core samples from the polar regions that tell us what the climate was 650,000 or more years
ago; these tests reveal that "carbon dioxide concentrations have never been higher than they are now" (Schneider 31). The next question is how we know that human activities are
...