[2013-04-21] Continental-scale temperature variability during the past two millennia + http://www.realclimate.org/index.php/archives/2013/04/the-pages-2k-synthesis/ + http://news.mongabay.com/2013/0421-hance-continent-climate.html + http://www.eurekalert.org/pub_releases/2013-04/teia-ecw041913.php + http://dotearth.blogs.nytimes.com/2013/04/22/study-charts-2000-years-of-continental-climate-changes/ + http://www.eurekalert.org/pub_releases/2013-04/nau-ris042213.php + http://www.eurekalert.org/pub_releases/2013-04/nsf-ao2042313.php + http://ecosmagazine.com/paper/EC13098.htm with climate_change