| http://www.w3.org/ns/prov#value | - By Grun Franco on May 08, 2008 4:44 PM Solar energy takes no more area than the roof of a house.Free energy, should it ever come to be, will not solve the problems with modern agriculture supporting huge populations.Sure, we could put solar cells on every roof, but until recently, oil has given us very cheap energy, and we still are using up forests, water and other resources faster than they ca
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