unable to post on fox nation:
I have searched for a rational explanation for the (Great) Medieval warming period, about 400 years when dairy cattle were raised in Greenland (about 1000-1400).  It is probable that grapes grew in Newfoundland at this time.
Gore and his ilk called it a "blip" or "localized" or irrelevant. However a recent study "An Ikaite record of late Holocene climate at the Antarctic Peninsula" a paper written that seems to support a much larger warming area than "localized" proponents wish us to believe.  It costs bucks to read the study, but the original article can e found here:
http://news dot investors dot com/article/605815/201203271858/medieval-warming-period-is-no-myth.htm
this post is chopped sections from my blog/diary, i give more thought to it here (just a layman trying to get the facts straight)
http://steelgeneral dot blogspot dot com/2012/06/back-to-climate-change-for-bit.html
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