Does global warming exist? Absolutely!
Anyone who has sat through the first course in geology knows that our climate has been in constant change for at least 1 million years and very likely throughout the 5 billion-year history of the earth. During the last 200,000 years alone, there have been four ice ages. This would imply that the ice age cycle is about 50,000 years.
The beginning of the current global warming era started at the zenith of the last ice a...
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