When will we run out of oil, and what happens then?

The global oil supply can't meet the global oil demand forever. Will the last drops of oil lead to widespread anarchy, the end of globalization and the relentless exploitation of previously protected drilling sites?

Source: http://feeds.howstuffworks.com/~r/DailyStuff/~3/xPsaiIq4maI/run-out-of-oil.htm

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