A few thigns which immediately jump out: 1) "1934 has long been considered the warmest year of the past century." While true for the USA, it was more than offs

A few thigns which immediately jump out: 1) "1934 has long been considered the warmest year of the past century." While true for the USA, it was more than offset by cooler weather elsewhere. [http://www.ossfoundation.us/projects/environment/global-warming/myths/1934-is-the-hottest-year-on-record http://www.ossfoundation.us/projects/environment/global-warm...] 2) There is significant evidence that the "Medieval Warm Period" was regional. http://www.google.com/search?q=medieval+warm+period+regional http://www.google.com/search?q=medieval+warm+period+regional 3) All of the data in this blog post was from a single ice core sample in Greenland. So at a minimum the title is very misleading, and should be "In Greenland only 9100 ...". This fits with the previous errors of picking regional temperature sets which back his claims and presenting them as representative of global temperatures. 4) Temperature proxies, like ice core data, are apparently only valid when they agree with him. I expect we'll shortly see a rebuttal where someone includes graphs of some of the many other 10,000 year temperature proxies. See, for example, the wide variability of different proxies as graphed together here: http://commons.wikimedia.org/wiki/File:Holocene_Temperature_Variations.png http://commons.wikimedia.org/wiki/File:Holocene_Temperature_...