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Scientists are creating bacteria batteries in an effort to use waste water to create electricity. This public radio story is about how the microbes from sewage can be harnessed to create microbial fuel cells. The process could provide ways to provide energy in remote place for very little money.
Life Science Environment Earth and Space Science Energy Cells
Story Length: 4:57
Living on Earth
AIR DATE: 02/03/2012
A new source of energy is being developed by using Michigan's industrial food waste. Using existing technology for converting manure into electricity, these anaerobic digesters are doing their work on pudding packs and canned peaches, among other delicacies. Listen to learn how they are turning waste into electricity.
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How is energy produced? This public radio story explores the relationships between energy and power. It looks at how energy is stored in batteries. Scientists are still working on how to best contain energy to store for later.
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To lower dependency on fossil fuels, some Americans have installed solar panels on their homes to produce their own clean energy. This decision involves a cost-benefit analysis of cost value and environmental impact. In some regions this cost-benefit ratio has been upset by fracking, and the cheap natural gas that it produces. How does supply and demand impact the cost of energy? How does the cost of energy impact people seeking alternatives such as solar energy? Listen to learn how one family has dealt is dealing with this shifting energy landscape.
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As nations look for clean energy alternatives many are turning to wind and solar, but Indonesia is turning to its volcanoes. Indonesia has 130 active volcanoes. These volcanoes generate geothermal heat that is releases through vents and hot springs throughout the country. Power companies are learning to harness and redirect this heated steam into power plants in order to generate electricity. Indonesia’s geothermal energy potential is huge, but start up costs and oil subsidies might prevent this burgeoning clean energy from taking off.
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