Biology

An Inconvenient Truth

In Al Gore's documentary an Inconvenient Truth, he makes some very pertinent points about the issue of global warming. Included in the documentary are the following topics.

a) Effects of Global Warming:

Gore uses graphs to clearly illustrate some of the dangerous ramifications of global warming. One chart shows the increasing amounts of carbon dioxide in the atmosphere and data which indicates a rise in temperature is the result of this additional carbon dioxide. The average amount of carbon dioxide in the atmosphere used to be between 180 and 280 parts per million (ppm). It is now above 400 ppm. Gore and the experts in the film estimate that it will rise to 600 ppm.

b) Melting Glaciers:

He asserts that the increased temperature is leading to melting of glaciers. He uses photographs as evidence of his assertion. The researchers also say that these are just...
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