And there really is a HUGE amount of data on the subject. The current state of climate research has moved past the argument about "is there warming?" Because there is, we've found a ton of data to validate it. We're up to a very high degree of certainty that this is not purely cyclical (although more data obviously improves this confidence).
Where the research continues to grind is on specific effects of warming (such as this hurricane issue) and specific feedbacks in the system that can either slow or speed the rate of climate change. You see a lot of things about that now in the news now, but you may notice that there is much less discussion of "if the hockey stick really exists."
I'd also like to ask why you care what Al Gore says? He's a poster child and a ideologue for a specific political group. I certainly don't care what he says. He's not making scientific claims that are worth addressing. How he got a Nobel I will never know.