Well, dinosaurs lived under a climate 8-12 degrees (C) warmer than today. Overshooting that would be quite a feat, but it's not impossible.
https://link.springer.com/article/10.1007/s41748-019-00093-1
Written by B
A critic of modern times - offering ideas for honest contemplation. Also on Substack: https://thehonestsorcerer.substack.com/