text: The world has actually been undergoing global warming since the end of the last ice age.This explains why the ice caps are smaller now than a few million years ago....sure humans have possibly accelerated it and pollution is bad but face it the world is going to change no matter what...\n\nEven scientist have no real idea if global warming is anything more than a natural trend all of this is based on educated GUESSES!! That would be why they call it the theory of global warming