Counting the cost of record heat

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Tuesday was the world's hottest day ever, beating the previous record set on Monday, while nearly a third of Americans, over 113 million people, are covered by some sort of official heat advice. We find out how economies are adapting to the extreme heat, and how business are coping as people are unable to work. Roger Hearing speaks to former European Commission President José Manuel Barroso and climate economists. (Picture:15 Jul 2023: US heatwave - warning sign, death valley, California, USA America during extreme weather: A view of sign board warning of extreme heat in Death Valley, California, U.S. July 15, 2023. Credit: REUTERS/Jorge Garcia)