I'm always skeptical of people that weave good arguments without clearly stating their point of view.
And for the record I don't know much about global warming, it seems at least plausible, and I certainly don't reject it. I'm just wary of the kind of argument from urgency that's become so popular lately in American politics (and I'm sure it's been an effective political tool since the beginning of time).
This may be a good start. http://www.ted.com/talks/view/id/628