Here’s a pretty interesting film regarding a theory that the United States will, within the next few decades, ultimatelly have a major crisis because of the development of Suburbs and the increasing shortage of any oil and natural gas.

Trailer

Full Movie - Google Video

Overall, this looks like a rather plausible idea. Trust me, this video isn’t another terror-storm, anti-government propaganda video! Give it a watch (1 hour, 18 minutes).