A worker attends to an air conditioning unit for a restaurant during high temperatures in Toulouse, France, on Wednesday, June 24, 2026. | Matthieu Rondel/Bloomberg via Getty Images
As temperatures blew past 100°F in cities across Europe last week, it was difficult to tell what was generating more hot air: the weather or the discourse around the right way to endure it.
On the western side of the Atlantic, the answer was almost uniformly obvious: air conditioning. Just around 20 percent of European households have air conditioning, compared to 90 percent in the US. Even public building...
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