Why air-conditioning is a lifesaver // TRAIN BRAIN

Why air-conditioning is a lifesaver

Air-conditioning is estimated to prevent perhaps 100,000 deaths a year. Despite this, politicians are still arguing about the technology—and access to AC remains spotty.
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On Tuesdays and Thursdays, The Economist posts videos that give authoritative insight and opinion on international news, politics, business, finance, science, technology and the connections between them. We're also producing full films such as The Disrup...

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