«During last warming period, Antarctica heated up two to three times more than planet average: Amplification of warming at poles consistent with today's climate change models.» (sciencedaily.com)
«Our study really changes the general concept that before the last warming period you had a massive grass steppe that was fundamental to sustaining a huge diversity of mammals,» says Willerslev. (newscientist.com)
That's how the last warm period ended — suddenly (ice per se returned more gradually). (williamcalvin.com)