Share this postFriday June 21, 2013www.iris.reportCopy linkFacebookEmailNotesOtherFriday June 21, 2013The EditorsJun 21, 2013ShareShare this postFriday June 21, 2013www.iris.reportCopy linkFacebookEmailNotesOtherclimateadaptation:sunfoundation:Thickness of the Ice Sheets#Ice sheets #xkcd #Visualization #Toronto #Chicago #Boston #Montreal