Yeah, and the only people who disagree with it are monetarily motivated, corporate scientists. Between the two, I know who to believe. Of course, it's always EASIER to believe the side that tells you everything is ok, please keep consuming more, right?
Objectively, I don't think it's been proven either way. Personally, I think it's a big left wing scam, like Nuclear Winter and Y2K (ok, Y2K wasn't left wing, but consultant scam). Carl Sagan, the leftist wind bag who was most prominent in pushing Nuclear Winter to force unilateral disarmament by the US, predicted that the oil fires in Kuwait would have an effect on climate similar to Nuclear Winter based on their Nuclear Winter studies. He was debating Fred Singer, who is also one of the most prominent Global Warming skeptics. Singer said there would be no significant atmospheric effect from the smoke because it would be washed out by rain once it reached a certain point in the atmosphere. Singer was proven correct. I tend to believe people whose predictions actually came true, like the article I quoted earlier, rather than alarmist windbags who've never predicted a thing, like saying soon there'll be no snow at all. Here's what Time was saying in 1974, predicting a new Ice Age: