Just a plug to go read an article in Reason magazine. This article is a little math calculation applied to Al Gore's latest whimsy. This guy not only has the personality of a piece of granite, he also seems to have the brains to match.
just as a preview: "Gore explicitly likens his scheme to NASA's Apollo program, but reaching the moon cost only $150 billion (in current dollars) spent over eight years. In other words, getting to the moon cost half of what Gore wants to spend annually to realize his no-carbon energy vision."