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Cooling has become an essential part of human needs: we need it to cool our buildings, our food, our medicine. At the same time, covering the rising cooling demand while also keeping our planet cool is becoming a challenge. Already today, refrigeration and comfort cooling consume staggering amounts of energy and cause 10% of global CO2 emissions. And the demand for cooling is rising exponentially as the world population grows and more people get access to cooling services. Global energy demand for comfort cooling alone is estimated to grow 33-fold by 2100 to more than 10,000 TWh, which is about half the total electricity generated worldwide in 2010.

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This article was published in the APUEA Magazine No.1/2018. See the full magazine on