When a recognized animal like the polar bear goes extinct, that will get some attention. And yes, the polar bears will go extinct. If you think otherwise you're living in a delusion about where we are in this #ClimateEmergency. This is happening right now. Extinctions are happening now. We won't be waving a magic wand to wind back the clock.
"The loss of the only known stand of Key Largo tree cactus in the U.S. shows how rising seas can alter the coastal environment. "
https://www.axios.com/2024/07/09/sea-level-rise-wipes-out-an-entire-us-species