Ship of Fools in the Antarctic | RealClearPolitics: "It was warmer in medieval times, a Swedish study in December confirmed. The Medieval Warm Period (950-1250 AD) and the Roman Warm Period (250 BC-400 AD) were happy times for humanity. The big chill reminds us it’s cold that kills.
Temperatures fluctuate. They’ve been higher than the 30-year average in 17 years since 1979, lower in 19. But the planet isn’t warming appreciably. Soon we may wish it were. Periods between ice ages have lasted about 11,000 years, on average. Our “interglacial” began 11,000 years ago."