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Much of the data was manufactured while many other factors were ignored. While we know that the earth goes through periodic warming and cooling cycles the fundamental question is whether man's habitation has an impact on these processes. The answer has yet to be demonstrated. Much if not all of the current temperature increases parallel increases in solar output and have little if anything to do with your car. The only constant in the earth's surface temperature is change. So relax, keep on learning, and be a good steward instead of a lemming.