Monday, October 28, 2013

Underground Heat from Cities Could Help Power Them, Study Says

Where does the heat in the underground of large cities come from? Researchers analyzed various factors. (Graphics: AGW/KIT)
The heat generated by urban areas and their buildings, factories, sewers, and transportation systems could be used to power those cities, according to a new study by German and Swiss researchers.  Thermal energy produced by the so-called "urban heat island effect" warms shallow aquifers lying below cities, and geothermal and groundwater heat pumps could tap into those warm reservoirs to heat and cool buildings, the scientists say.

Underground Heat from Cities Could Help Power Them, Study Says

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