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Review paper finds global Medieval Warm Period was significantly warmer than today, when CO2 was ‘safe’

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Review paper finds global Medieval Warm Period was significantly warmer than today, when CO2 was ‘safe’

http://hockeyschtick.blogspot.com/2013/09/review-paper-finds-global-medieval-warm.html

A new review paper from SPPI and CO2 Science finds, “Not wanting to acknowledge that the earth of a thousand or so years ago was likely as warm as, or even warmer than, it is currently – when the atmosphere’s CO2 concentration was much lower than it is today (285 vs. 400 ppm) – the world’s climate alarmists have been loath to admit there was an MWP anywhere other than in countries surrounding the North Atlantic Ocean. And so it is that the results of the several studies described above are of great importance to the ongoing global warming debate, as they greatly advance the thesis that the MWP [Medieval Warm Period] was indeed a global phenomenon, wherein temperatures throughout the world were significantly warmer than they have been anytime subsequently, and that there is thus nothing unusual or unprecedented about earth’s current level of warmth, with the obvious implication that the maximum temperatures of the present simply cannot be attributed to the historical increase in the air’s CO2 content.”

For the Full Report in PDF Form, please click here.

[Illustrations, footnotes and references available in PDF version]

Climate alarmists have claimed for quite some time that late-20th-century and early-21st-century global temperatures were so high as to merit the word “unprecedented” when comparing them to temperatures of the past millennium or two; and they also claim that this achievement was both driven and sustained by the carbon dioxide or CO2 released to the air by mankind’s burning of fossil fuels such as coal, gas and oil. But to maintain this dual contention, they have been forced to further contend that the well-known Medieval Warm Period was neither hemispheric nor global in scope, but merely confined to the much smaller region surrounding the North Atlantic Ocean. And they have also had to contend that the MWP was never really as warm as it had long been believed to be.

The results of the several studies described greatly advance the thesis that the MWP was indeed a global phenomenon, wherein temperatures throughout the world were significantly warmer than they have been anytime subsequently, and that there is thus nothing unusual or unprecedented about earth’s current level of warmth.

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