I read on here recently that Polar Bears have lived through an age of no Polar ice. Which is quite encouraging think. I edited to paste link to article https://polarbearscience.com/2023/06/16/new-evidence-that-polar-bears-survived-1600-years-of-ice-free-summers-in-the-early-holocene/
But something happened raegan did not foresee, there was no trickle down economics.