Geothermal Energy

Petroski, Henry
July 2013
American Scientist;Jul/Aug2013, Vol. 101 Issue 4, p251
Academic Journal
The article discusses geothermal energy. The author argues that whatever form of energy is being used, individuals have to gather it from its source in nature and transport it to locations of distribution, noting the various forms of primary fuel that have been historically used by human beings, such as peat, dung, wood, and coal. Topics include the advantages and disadvantages of various fuel sources and their environmental impacts, such as coal, natural gas, and oil, the promotion of clean energy sources, such as geothermal energy, which reportedly accounts for approximately 30 percent of the electricity generated in Iceland, and the author's visit to Iceland's Hellisheidi geothermal power plant, which is the country's largest and the world's second largest.


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