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Unformatted text preview: Some challenges of solar cells could be the price, even though the panels would pay themselves off in two-three years. Most people are skeptical of using the solar panels because of the lack of popularity; the popularity will grow over the years to come. Ethanol is a great alternative to fossil fuels, but there are challenges. The costs are high, the only reason some prices of ethanol are low are because of government subsidies provided. The wind turbine is also great, but many people do not like to look at turbine farms nor do they like the effects that the turbines have on birds. Another nonrenewable resource that is not mentioned in the video is nuclear power. Uranium will run out in 100 years or so. The three challenges of nonrenewable resources are that they put out pollution, they are using up the world’s resources, and economic concerns; human management is also a must to try to prevent catastrophic events from happening....
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This note was uploaded on 01/25/2012 for the course UOP uop taught by Professor Jones during the Spring '11 term at University of Phoenix.
- Spring '11