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Whether other factors not related to the atmosphere have a bigger impact is irrelevant. The only question that matters for this issue is whether man made global warming, independent of everything else, is enough to trigger catastrophic events.
And what I meant by opposite is that part of the feedback loop that would lead to such catastrophe is that marginal increases caused by CO2 lead to increases in water vapor, which leads to higher temperatures again, and so on.
My position is simple: We know, with absolute certainty, that CO2 is a greenhouse gas. That much is not up for debate. We also know that climatologists have estimated the effects of increase in CO2 as going from very small to very significant. This is really where the academic debate and the questions are, not on whether there is global warming. We know that there is man made global warming, the debate is over whether it matters. I think a safe approach is to treat it as it matters, especially because global warming is far from being the only negative effect of pollution.
And whatever Al Gore's position is, it is disingenuous to suggest that you are merely "asking question," or that those who don't agree with you are trying to stop others from "asking questions."
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