Polar bears did very well in the warmer times. They didn't die out at all; they didn't die out in the last 10,000 years, nor during the previous interglacial, nor the one before that. So, they're just used as a… — Piers Corbyn Copy Share Image
“Global temperatures have been irregularly declining for at least 3,000 years based on Greenland ice core data similarly to what has occurred near the end of previous interglacial periods. The increases during the Twentieth Century have been well within normal… — Alan Carlin Copy Share Image