The ONLY thing? GAAA! This makes me crazy. What an un-scientific statement. How about impact with a meteor? How about increased solar activity? If the ice cap is melting decades in advance, then the computer models are all wrong. This is a BIG wrong, not a little oops. So don't they have to go back and adjust the models to match observation before they can use them to conclude anything? Instead of trumpting - Yup, it's global warming, shouldn't he be trotting back to the lab and figuring out why the prediction is so wrong?

Don't get me wrong. I think it's stupid to pump the atmosphers with crap and fill the world with our detritus. And I'm cool with regulating pollutants. Preserve the environment, all that - rah! rah!