If you'd like to read a more accurate and detailed article on the new study: http://www.realclimate.org/index.php/archives/2012/07/tree-rings-and-climate-some-r

If you'd like to read a more accurate and detailed article on the new study: http://www.realclimate.org/index.php/archives/2012/07/tree-rings-and-climate-some-recent-developments/ http://www.realclimate.org/index.php/archives/2012/07/tree-r...