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Wired: Alternatives to Coal

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Excerpted from: http://www.greentreks.org/documentaries/wired/wired.asp
Keywords: electricity , fossil fuel , coal , oil , natural gas , carbon dioxide , nonrenewable resources , renewable resources , sustainable , wind , solar , energy , abiotic , engineering , environment , manufacturing technology , nonrenewable resources , renewable , science , sustainability , technological design process ,

More than half of our electricity is generated by burning coal, which has serious environmental consequences. Habitat loss, air and water pollution, and waste disposal are all problems that result from the extraction and use of coal--but there are more and more clean alternatives to fossil fuels being made available every year. In Radnor, renewable energy powers everything from township buildings to traffic lights.

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