In the section "The Game Changers" in Romney's book, we find the following sentence:
"Nuclear, natural gas, coal, and additional drilling for oil will help a great deal in moving us toward energy security."
(Before people jump on me for not including the rest of the paragraph: I don't because Mitt simply pays lip service to alternative sources of energy. He's not really all that interested in funding alternative energy research, and it shows.)
It would seem that Romney is willing to trade "energy security" for the INsecurities, if not downright dangers, of nuclear, natural gas, coal, and additional drilling!
First, nuclear: VERY expensive and dangerous. Nuclear waste a hazard to future generations.
Second, coal: Dirty technology; causes increase in asthma cases, possibly deaths from particulate contamination, and ruins forest and lakes with acid rain.
Drilling for oil: Wrecks the environment; drives out native species and mars the landscape. The toxicity and expensive clean-up of oil spills.
Imagine the world 8 years after a Romney presidency: more toxic, but with more "dirty energy" millionaires.