How long will the world’s oil last?

When the modern oil industry was born 145 years ago in Titusville, Pa., few people worried about just how long petroleum would keep flowing out of the ground. But since production peaked in the United States in 1970, a growing number of geologists, economists and industry analysts have been pondering the question of just how long worldwidesupplies will keep up with growing demand. And some are predicting that global production may peak as soon as next year.

MSNBC