Global warming?

Okay....I was just watching that al gore movie,and dont get me wrong,ive known about global warming,but i dident know that i wont be able to live a full life.Polar bears will die out.the polar ice caps will melt and cover the t.towers memorial and half of america. im gonna drown at like 34 or so.Cars and gas and stuff are breaking the ozone layer.say....would you sacrifice your car to save earth? or a life?