What will it take to get us off fossil fuels?

There are so many reasons to kick our addiction to fossil fuels that it's hard to figure out why we Americans are so lackadaisical about solving the problem. Peak oil will bring about a profound change in the way we live. By many accounts we have crossed the line already. The fact that we are fighting wars, and drilling in extreme and dangerous environments supports that contention. Will we allow our civilization to be destroyed by greedy oil barons? I'm afraid it's entirely too possible.