Global warming vs. nuclear winter? The earth has had nuclear winter before right [or like an ica age]. But have we expeirence global warming before, were are the evideince.

P.S- whats the difference between nuclear winter and an ice age?
Simple please, im no expert!!!

Global warming is a heating influence, and the portion caused by carbon dioxide continues for centuries, so we can%26#039;t afford to wait and see what happens.