... a review of the data the IPCC used to evaluate the historical climate. The IPCC relied heavily on proxy data from a study by Mann et. al. for this purpose. This yielded the familiar hockey stick shaped model shown below. However a later study by Stephen McIntyre and Ross Mckitrick in 1998 found grave errors in the data and when the errors were corrected the ... results were strikingly different. Mann has criticized the study but has yet to address the errors found in his original data. Figure 2 Another point of debate is whether the temperature is in fact warmer. There are many basis of...

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• Has Bibliography

... during the first three years of a child's life [Wahn et al., 1997]. Pollutant gases are directly linked to worsening pulmonary health. Von Mutius [2000] reports that a study from Germany revealed increases in the prevalence of bronchitis and chronic cough, correlating with individual exposure to ozone, among other pollutant gases. Both psychiatric and neurological cases have been associated ... with global warming and weather change. According to Krug et al. [1998], a study of weather disasters illustrated a 14% increase in suicide rates after natural disasters. Global warming tends to ...

• Word Count: 3241
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• Grade Level: Undergraduate

... ocean caused by global warming is producing more powerful hurricanes. While it is not possible to attribute any specific storm, like Katrina, to the effects of global warming, an MIT study indicated that as a whole major storms spinning in both the Atlantic and the Pacific since the 1970s have increased in duration and intensity about 50%.2 And all of this means ... ...

• Word Count: 6155
• Approx Pages: 25
• Grade Level: Undergraduate