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Originally Posted by CoachKandSportsguy
Oh interesting! There were other times in history when temperatures rose above the norm. The only problem is that todays thermometer is only almost 200 years old. So with only 200 years of measured history in small records, we can can now speculate about the prior 2000 years as the same as last first 100 years of the thermometer
Clown world
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While speculation is fun, there are numerous proxies showing past warm/cool cycles, which are confirmed by the IPCC and many others. This is how we know about the Ice Ages and many other climate changes. Javier Vinos has a great book about this called -- Climate of the Past, Present and Future.