irregardless the earth is warming. My stratigraphy prof taught that it was due to a number of things volcanos and the rotaion of the eath which could at times bring it closer to the sun. His theory was that man could not generate sufficent poloution to trap the heat generated by all of the natural occurrences which occured 4 times before. So hows do the current scientists explanin the previous global warnings which melted the previous ice ages?
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