A new spin on an old technology cools air without adding humidity at a fraction of the energy cost

It is a truth universally acknowledged that the Earth’s average temperature is rising—nine of the ten warmest years ever recorded in National Oceanic and Atmospheric Administration National Oceanic and Atmospheric Administration (NOAA)’s 140-year tracking history have occurred since 2005. Warmer temperatures bring with them greater demand for air conditioning, which requires immense amounts of energy. Every year, the United States consumes more electricity for cooling buildings than the entire continent of Africa consumes for all of its electricity needs. In addition to warmer temperatures, a growing middle class worldwide now has disposable income to spend on air conditioning. Experts predict that as a result, global demand (and, therefore, energy use) will more than triple by 2050. […]

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