Wednesday, March 18, 2009
Fluctuations in temperature have caused significant changes in agricultural practices that caused the migration of civilizations. For example, a few hundred years deterioration in climate occurred that was a major contributing factor in the collapse of the Greenland colony.
Nevertheless, the causes of past climatic changes have not been adequately explained to offer the best insight into patterns / global challenges seen; within the past five hundred thousand, years
Finally, there remains a link in solar activity and the variation of solar output; observed with temperature differences, over past hundred year time frame.
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