The spaghetti diagram from tracked bears 90's vs 2000's shows the bears moved slightly North to compensate. Bears go where they are happy, zero ill effects.

EARTH WAS ALOT WARMER POLAR BEARS SURVIVED.

https://notrickszone.com/2016/10/03/scientists-the-arctic-was-sea-ice-free19c-warmer-4-million-years-ago-and-yet-polar-bears-somehow-survived/

Climate alarmists drop the polar bear as their mascot since polar bears are thriving, with record population numbers.

https://poal.co/s/Conservation/105099