What is happening in the Arctic is now beyond words, so here are the pictures
So it's going to get warmer,  sea levels will rise.  coastlines will move inland as sea levels rise.  Typically colder areas will become more tropical.<p>Other than displacing a large number of people who live on coastlines, what's the big deal?<p>Insult me for my niavety if it makes you feel better, but I honestly don't know the answer.