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This company uses space age to cut your air conditioning bill

Heat waves are becoming more common in parts of the United States — and that means more people running their air conditioners for longer. But those air conditioners can make the problem worse, emitting greenhouse gases as they work that contribute heavily to climate change.

source https://www.cnn.com/2021/08/09/tech/radiative-cooling-skycool-electricity-environment/index.html
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