21:31
Energy and resources
As the Earth's fossil fuel reserves decline, what forms of energy will come next? After discussing the formation, uses, and consequences of burning coal, oil, and natural gas, this video explores the development of alternative resources that may som...
19:14
The Green Economy: The Future Of Energy - Hydroelectric Power
Bonneville Power built several of the biggest and most powerful hydroelectric dams. We find out how these huge turbines work as well as what other groups like Fish & Game are doing to lessen the impact on the river and its fishy residents.