I recently wrote a blurb about why from simple engineering considerations, the CO2 induced global warming dogma is a fallacy. Here is a more scientific discussion of the reasons the dogma is flawed. This is probably too technical for Al Gore to understand. (One of the things that has always troubled me in papers by believers in the dogma is the representation of heat being radiated from the cold atmosphere back to the warmer earth. That is discussed in this paper.):

http://icecap.us/images/uploads/Falsification_of_CO2.pdf