Elephant seals used to go farther south in the Antarctic because it was warmer: https://climatediscussionnexus.com/2020/09/09/the-medieval-and-roman-warm-periods-in-antarctica/
Ikaite crystals in the past also show the Antarctic was warmer during the Medieval Warm Period: https://research.manchester.ac.uk/en/publications/an-ikaite-record-of-late-holocene-climate-at-the-antarctic-penins
That is the WRONG science!!!!
You need to listen to those world renown expert scientists Al Gore, John Kerry, Bill Gates, and Bill Nye...
They KNOW that all warming forever has been caused by gas burning vehicles, gas stoves, animal farts, Jet planes...