Big Question: Should we force a cap on the U.S. population?

The U.S. population has increased from about 180 million people in 1960 to more than 300 million in 2012, and experts predict that the population could climb as high as 438 million by 2050. To prevent the social and environmental problems that a continually rising population could bring, some experts have toyed with the idea of implementing a population cap. But is this a good idea?

Curiosity Expert Timothy Wirth zeroes in on population issues we may face even in the next decade in this video.