[tsimionescu]

> Also, if we talk about past centuries, temperatures used to be higher during early middle age and before. These high temperatures are nothing new in terms of historical forest.

This was the hottest year on record. 10 of the last 15 years have been the hottest year on record, consecutively. What makes you believe this fake information about the middle ages?

[tmtvl]

Someone heard about the Medieval Warm Period, looked at the Wikipedia page, saw the temperature data for the Greenland ice sheets and misinterpreted it to mean global temperature. It fits in well with the 'well, the Jurassic was warmer than today and there were no humans then, so you can't be sure that we're responsible for any climate change that may be happening' argument.