WHAT YOU NEED TO KNOW ABOUT CLIMATE, IN ONE CHART
From Andy May at Watts Up With That, a chart that contains an enormous amount of information relevant to the climate debate. It shows global temperature as inferred from proxies (tree rings and the like), carbon dioxide and methane concentrations, and temperatures as predicted by the alarmists’ models for the Holocene epoch, the time since the end of the last Ice Age.
May comments:
In the figure below (source Javier, here) proxy global average temperatures for the whole Holocene (last 11,500 years) are shown in black. Computer model temperatures calculated by Liu, et al. (2014) are shown in green, carbon dioxide and methane concentrations from ice cores are also shown. For the Neoglacial Period, temperatures go down, but the computer model temperatures go up, so does the carbon dioxide level. Quite obviously, for the Holocene, neither CO2 nor the computer models are predictive of temperature.
As the chart reflects, we are currently living in a relatively cool period. Global temperatures change over time, and while there are various theories, no one really knows why. If the alarmists were real scientists they would go back to the drawing board.
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