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علوم وتكنولوجيا
How cities can keep their cool
Record-breaking heat is now routine. The devastating heatwave that wracked southwestern Europe in 2003 and claimed more than 70,000 lives…
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علوم وتكنولوجيا
Geothermal networks let cities warm and cool as one
Troy in New York state is one of the first cities to use an innovative type of heat pump.Credit: TW…
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