Dan Kammen, Professor of Energy at UC Berkeley, talks about the changes in our atmosphere since the industrial revolution, and what that may mean for our planet's natural cycles in this extended interview from "Earth 2050".
Towing the Space Shuttle
Sons of Guns: Jesse James Lets Loose
Sons of Guns: Jesse James Surprise
Sons of Guns: Master Welder
Sons of Guns: Custom BAR Build
Sons of Guns: First Submachine Gun
What is the future of marijuana in the United States?
MythBusters: Square Wheels Aftershow
MythBusters: Bird Balance
MythBusters: Revenge Of The Myths
MythBusters: Dust Devil Aftershow
MythBusters: Ballistics Barrel