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PubTalk 11/2003 — Clean Power from the Earth's Heat

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Detailed Description

The Present and Future of Geothermal Energy

by John Sass, Geophysicist


  • Since ancient times, people have sought out geothermal hot springs for bathing, cooking, and supposed healing effects
  • In Iceland, nearly half the electrical power and all space heating are derived from geothermal sources
  • For Iceland and other volcanic regions of current volcanism, large-scale generation of geothermal energy is a viable, environmentally friendly alternative to fossil fuels
  • Did you know that Northern California has the world.s largest electricity-generating geothermal development?
  • Geothermal heat pumps can provide cost-effective space heating and cooling, almost anywhere




Public Domain.