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Globe Warmer In Time of Vikings
SEWilco writes "A record of recent global temperatures has been assembled by piecing together the hundreds of studies with past temperature estimates [Discovery, Harvard]. The record shows there was a "Medieval Warm Period" warmer than the 20th Century. This was followed by the "Little Ice Age", which ended around 1900. We're having average climate now. Numerous sources indicated this, but apparently were not gathered into one document" This adds some more background reading to the previously linked Telegraph story.
Over-rated? How can a comment be over-rated when it hasn't been modded up, and I didn't use the +1 bonus?