This article is part three of a short series for October’s National Energy Awareness Month by National Geographic Geography Intern Hannah Dempsey. Find part two on biopower here, and part one on tidal energy potential here.
Reliable. Constant. Ancient. Geothermal energy is as old as the Earth itself, and we take advantage of this naturally occurring phenomenon to make electricity.
Geothermal energy powers three and a half million homes in the United States—namely in California, Nevada, and Utah. It provides up to 30% of the electricity in Iceland, the Philippines, and El Salvador.
This map displays geothermal energy production by state as a percentage of total geothermal production in the U.S. Map by Hannah Dempsey, National Geographic.
Harnessing Earth’s Energy
Eyjafjallajokull erupts in…
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