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What is alternative energy?

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Alternative energy is an umbrella term that refers to any source of usable energy intended to replace fuel sources without the undesired consequences of the replaced fuels.


Solar energy technologies promise to improve our air quality, support out economy and increase energy security.


Wind energy is a clean, domestic energy source that is competitive with conventional fuel sources.


Tapping the heat within the earth, geothermal energy provides electricity and efficient heating and cooling.


Nuclear plants, like plants that burn coal, oil and natural gas, produce electricity by boiling water into steam. This steam then turns turbines to produce electricity.