The National Geographic Magazine, Volume 149, Issue 3National Geographic Society., 1976 - Geography |
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Page 381
... Solar Energy Corporation near Boston . Dr. Mlavsky urgently believes that people must become aware of the sun's enormous potential to help solve the threatened energy shortage . " If we want to have solar energy in our society by the ...
... Solar Energy Corporation near Boston . Dr. Mlavsky urgently believes that people must become aware of the sun's enormous potential to help solve the threatened energy shortage . " If we want to have solar energy in our society by the ...
Page 385
turn because of solar - heated currents of air . * Even the wood with which I stoke my fire- place is a form of solar energy . Like oil and coal , wood is merely solar power captured in convenient packaging . But the earth is fast ...
turn because of solar - heated currents of air . * Even the wood with which I stoke my fire- place is a form of solar energy . Like oil and coal , wood is merely solar power captured in convenient packaging . But the earth is fast ...
Page 389
... solar investments . So far , only a few states have voted such an incentive , even though today's price tag of $ 6,000 to $ 8,000 for a typical solar - heating system is far too steep for most ... Solar Energy , the Ultimate Powerhouse 389.
... solar investments . So far , only a few states have voted such an incentive , even though today's price tag of $ 6,000 to $ 8,000 for a typical solar - heating system is far too steep for most ... Solar Energy , the Ultimate Powerhouse 389.
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