Hi there.
Well about the global warming thing, then there was the global cooling, but when i was a kid, living in Canada and in the winter at night i would look at the skies and if ther was a good cloud cover the next day was mild, but if it was free of clouds the next day was COLD, so global warming? i'm not so sure, and as it was stated before who knows what the "normal" temperature change is over centuries or mileniums so it is all pretty much theoretical, but polution is a real problem that has to be addressed the sooner the better, and if the threat of global warming does that, then it is not a bad thing.
JohnDowe.
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