When will we stop relying on fossil fuels and switch to renewable, earth-friendly sources of energy in our everyday lives? Michio Kaku thinks this could start happening in the next few decades.
Channels: Interviews Environmental engineering Economics
Tags: Big Think Michio Kaku green energy fusion technology fossil fuels solar
Uploaded by: layne.ransom.5 ( Send Message ) on 02-12-2012.
Duration: 2m 48s