Before seeing this movie I thought that it might sway the debate on global warming. I assumed that the entire movie was going to be about global warming, and if it had been it would have been much more effective. While about two-thirds of it is about global warming, the other third is a promo for Al Gore--including footage of the contentious 2000 presidential election. As someone who is deeply concerned about the issue of global warming, I am disappointed because I think this diversion from the ostensible subject of the movie makes it much less effective as rhetoric. It has the immediate effect of alienating any republicans that may be in the audience, and global warming should not be seen as a partisan issue, or nothing will ever get done. I'm afraid that because of this the movie will mostly be "preaching to the choir." It still may be an effective tool for educating democrats that were previously uninformed on global warming. As a doctoral student in climate science, I can say that Gore mostly gets the science right, although he weakens the presentation by not pointing out which things are still open to debate.