2010年9月23日木曜日

Excellent Solar Power?



Solar power supply is good for the prevention of heat island phenomena? Is it really useful for anti-global warming?
Judging from the Energy Efficiency it's not so effective, only 19%, thermal power generation is 52% instead, so 4,7 times heat energy must be be left on the ground if Solar power system is used, latter system scatters CO2 around, so this one is not convenient for the idea of heat prevention. But hung a second here, the amount of Sunny light energy to the ground surface is 10,000 times of the consuming energy by mankind, so main reason of The Earth Heating is the exchanging the Sun Light Energy into Heat Energy. Once changed into heat energy, this is difficult to return back to Cosmos according to the Stefan-Boltzmann law,this is because of the longer frequency of Electromagnetic wave of heat energy.
Though the contents are already reported to IPCC(Intergovernmental Panel on Climate Change), no statement about this important truth is performed by the Organization, why?

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