Geothermal energy tapping the earth's heat /

This Science Screen Report looks at a clean and renewable energy source that is steadily gaining scientific acceptance: hot dry rocks, otherwise known as enhanced geothermal systems. The program shows how masses of heated granite approximately 3 miles underground can be accessed with advanced drilli... Full description

Corporate Author: Allegro Productions (Firm)
Other Authors: Films for the Humanities & Sciences (Firm), Films Media Group.
Language: English
Published: New York, N.Y. : Films Media Group, [2006], c2000.
Subjects:
Online Access: Part of the Films on Demand collection.

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