Geothermal Energy: Harnessing the Power of the Earth
KQED, Teachers' Domain
This video describes how geothermal heat resources in California have been tapped to supply 850 MW of electricity. Images and animations show how the area known as The Geysers has been developed to capture steam, produced from trapped rainwater and heated by the earth. Major challenges include finding suitable geothermal resources to develop, and ensuring that underground water is replenished.
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After viewing this video and associated materials, students could explore other areas of the country (or world) that are utilizing or developing geothermal energy sources.