Hot Hubs · by Carol Bogart · tagged green RSS icon



Geothermal energy is generated in the earth's core, about 4,000 miles below the surface. Temperatures hotter than the sun's surface are continuously produced inside the earth by the slow decay of radioactive particles.83

Geothermal Energy

by Carol Bogart

Some years back, when I was building a new house, the contractor asked me what sort of heat I wanted. My folks had always had a propane gas tank out under the apple tree on our Ohio farm, so now that I had a... published 16 months ago

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