claim: One of the main areas of contention is the existence of two strange climate episodes known as The Medieval Warm Period (MWP) and the Little Ice Age.
evidence: The Medieval Warm Period (MWP) also known as the Medieval Climate Optimum, or Medieval Climatic Anomaly was a time of warm climate in the North Atlantic region lasting from c. 950 to c. 1250.
category: Medieval Warm Period