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Solar Greenhouses for Back Yards and Neighborhoods L. David Roper Professor Emeritus of Physics Virginia Polytechnic Inst. & St. Univ. [email protected]
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The sun is a giant ball of gas. It sends out huge amounts of energy every day. Most of the energy goes off into space. BUT only small parts reaches.
Farming with Less Fossil Fuel Michael Bomford Research and Extension Specialist, Organic/Sustainable Agriculture Kentucky State University.