I am not sure why someone who has a specific question wouldn't search the science literature 1st (educating and empowering themselves) - instead of coming to their own unsupported allegation that somehow it's all a big scam by those untrustworthy climate scientists - while we should instead trust baby feeding hardware sellers and economists hired to do PR work for big oil & coal publishing denier blogs.
I find that approach sad, destructive, disempowering, irresponsible and silly - and outdated. cognitive dissonance, again.
https://www.sciencedirect.com/topics/earth-and-planetary-sciences/medieval-warm-period
If a half-degree or maybe 2 difference made the difference between being habitable or not for the Vikings - imagine the changes with several degrees. Already posted links for Alaska on post #25.
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