Joel Barker

Will Earth's population keep expanding or stabilize?

What will be the population trajectory for planet Earth? Joel Barker joins Jim Blasingame to report on the projected growth of Earth's population over the next 30 years, followed by a decline to a stabilized level.

More interviews with Joel Barker

Joel Barker
Is China a greater threat to itself than to the U.S.?
Joel Barker
More futuristic innovations on the horizon
Joel Barker
Futuristic innovations that are now reality
Joel Barker
Turning used tires into graphene that would strengthen concrete
Joel Barker
What’s Bill Gates up to with his investment in nuclear power?