Observations: What happens when coal is gone?

Observations: What happens when coal is gone?: "In two centuries, people will still want to drive cars, fly in airplanes and have lighting in their houses. “Everybody I know thinks there will be big price increases with the end of easy oil and there’ll be a struggle over the resources,” he said Monday. The young scientists in the audience “need to figure out how to keep that struggle from turning into a hot war.”"