Could Climate Change Have Led To The Fall Of Rome?

http://www.npr.org/2011/01/22/133143758/could-climate-change-have-led-to-the-fall-of-rome

Rome may have fallen hundreds of years ago, but much of the civilization the Romans built still dots the landscape today. One team of scientists recently unearthed a different kind of Roman artifact that may hold a strange clue to the empire’s downfall.