SEWilco's Journal: Globe Warmer In Time of Vikings

A record of recent global temperatures has been assembled by piecing together the hundreds of studies with past temperature estimates [Discovery, Harvard]. The record shows there was a "Medieval Warm Period" warmer than the 20th Century. This was followed by the "Little Ice Age", which ended around 1900. We're having average climate now. Numerous sources indicated this, but apparently were not gathered into one document