I think this article better says what I am trying to say but being a constant skeptic I also would question this guy as well LOL!
Unclean at Any Speed - IEEE Spectrum
Mentioned in that article is this study which does seem very good as far as no agenda actual science goes, it's just entirely to long to read when I just want to fishing today. There now you know my real agenda!
Hidden Costs of Energy: Unpriced Consequences of Energy Production and Use