‘Medieval Warm Period’ was not global?

Vikings May Not Have Colonized Greenland in Nice Weather
A new study questions the popular notion that 10th-century Norse people were able to colonize Greenland because of a period of unusually warm weather. Based upon signs left by old glaciers, researchers say the climate was already cold when … http://www.thecherrycreeknews.com/medieval-warm-period-was-not-global/ #Climatechange, #Globalwarming, #MedievalWarmPeriod