Air-conditioning can feel like the only way to get through increasingly hot summers, but it’s an expensive, power-hungry way to keep cool. 

How necessary is it? And how necessary is it to raise our thermostats up from 72 degrees?

Guest: Adam Clark Estes, senior technology correspondent at Vox.

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Podcast production by Elena Schwartz, Paige Osburn, Anna Phillips, Madeline Ducharme and Rob Gunther.

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