Submitted by dreamer3k5 on April 13, 2008

• Category: Social Issues
• Words: 1734
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Global Warming

Global Warming: Is It Really Happening? Global warming, at least as measured by climate experts, is really happening. Over the last 100 years, it has been estimated that the average global air temperature has risen between 0.3 and 0.6 degree Celsius (Hileman). Though there is debate over other aspects of global warming, scientists generally agree that global temperatures have risen. However, a big source of disagreement is whether this is a normal or an abnormal warming. Too little is known about long-term global temperature cycles, some say, to determine if this is abnormal. Reliable weather data, it is true, have only been kept for the last century or so (Montague 1). As a result, some...

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