Video: Tags: renewable energy
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Explore More | Energy | Part 10: The Energy Mix (#102)
How will we create and use energy in fifty years? Create a pie chart of an optimal mix of energy sources. What are your choices? What barriers exist? 03:46
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Explore More | Energy | Part 8: Geothermal (#102)
How is energy created from geothermal sources? What drawbacks do hydropower and geothermal share? 01:23
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Explore More | Energy | Part 7: Bio-mass (#102)
What are sources of bio-mass? Where does ethanol in gasoline come from? What are the ways that bio-mass can create energy? 01:15
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Explore More | Energy | Part 4: Solar Power (#102)
If solar energy is unlimited and environmentally clean, why isn't it used more? How have you personally used the sun's energy? 03:14
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Explore More | Energy | Full Show (#102)
Full Program: How can we meet our energy needs in the future? Will we ever decrease our dependence on fossil fuels? What might be the best alternative? From bio-mass to wind power, there are several options in our ... 28:42
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Explore More | Energy | Part 9: Hydrogen (#102)
What is hydrogen and where is it found? How can it be used to create energy? How could hydrogen revolutionize energy production and use? 02:39
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Explore More | Energy | Part 6: Hydropower (#102)
Is there an example of hydropower in action near you? How can its presence influence the local economy? The environment? 01:36
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Explore More | Energy | Part 5: Wind Power (#102)
Historically, how have we used the wind to do work? What makes wind power unpredictable and unreliable? What areas can benefit from wind power? 02:16
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Explore More | Energy | Part 1: Introduction to Energy Basics (#102)
Think of the ways you use energy every day. What would a day without energy be like? What fuel sources generate the power in your area? 06:04
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Building Green | The Finale | PBS (#113)
Full Program: As Season One of Building Green comes to a close, Kevin takes stock of his journey and reflects on the numerous lessons learned along the way. From the feng shui design, to the blue jean insulation and ... 26:38
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New Vertical Wind Turbine Installed (#153)
This web exclusive shows the new vertical wind turbine being installed at the Iowa Association of Municipal Utilities location in Ankeny, Iowa. 04:42
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Discussion: Ethanol and Politics in Iowa (#206)
Iowa's agricultural economy has been cushioned in recent years by the upstart of dozens of biofuel factories around the state. This Iowa Journal looks at the politics of ethanol. 12:59
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Ethanol's Contribution to Iowa's Economy (#206)
Iowa's agricultural economy has been cushioned in recent years by the upstart of dozens of bio-fuel factories around the state. This Iowa Journal looks at the politics of ethanol. 03:02
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Ethanol and Politics in Iowa (#206)
Full Program: Iowa's agricultural economy has been cushioned in recent years by the upstart of dozens of biofuel factories around the state. This Iowa Journal looks at the politics of ethanol. 27:46
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Entrepreneur Adds Ethanol to Ventures List (#3335)
Over more than 20 years, Bruce Rastetter has owned 3 businesses classified as power houses. 06:40
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