Difference between revisions of "Alternative energy"

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'''Alternative energy''' (also referred to as '''renewable energy''') refers to energy sources that are renewable and do not pollute the environment (solar, wind, geothermal). However, alternative energy is often more expensive than conventional energy sources, and only federal subsidies make it cost-effective.<ref>[http://www.nytimes.com/2009/03/29/business/energy-environment/29renew.html ''New York Times'' Online]: Cost Works Against Alternative Energy, March 2009.</ref>
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'''Alternative energy''' (also referred to as '''renewable energy''') refers to an energy source that is naturally replenished, such as wind, sunlight, rain, and [[geothermal energy|geothermal]] heat. The generation of [[electricity]] by means of alternative energy sources is generally more expensive than traditional, coal-powered generators.<ref>[http://portsmouthrienergy.com/A2.pdf Portsmouth Sustainable Energy Cost Analysis]</ref>
  
 
==References==
 
==References==
 
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[[Category: Energy]]
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[[Category:Energy]]

Revision as of 16:55, November 10, 2009

Alternative energy (also referred to as renewable energy) refers to an energy source that is naturally replenished, such as wind, sunlight, rain, and geothermal heat. The generation of electricity by means of alternative energy sources is generally more expensive than traditional, coal-powered generators.[1]

References