By Marin Katusa & Marc Bustin, Editors of Casey's Energy Report:

Capturing energy from the earth’s heat is pretty easy pickin’s for geologically-active areas of the world like Iceland, Indonesia, and Chile. In some locations, hot fluids are so near the earth’s surface that heat from naturally-occurring hot fluids can be directly circulated through buildings for heating. Iceland, in particular, takes advantage of this low-hanging energy fruit.

However, in most areas of the world where geothermal energy is captured, the heat is used to generate electricity.

Unlike some of the more common alternative energies - hydro, solar, and wind - geothermal is...

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