Keeping cool without AC: Our readers share their tips0

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• August 1, 2026

It’s so hot in Germany this summer that Cologne started a “Cooling Cologne” initiative: Chilled groundwater is dispersed through fine-mist sprays connected to fire hoses. Kadir Ilboga/Anadolu via Getty Images hide caption toggle caption Kadir Ilboga/Anadolu via Getty Images In a summer of extreme heat, we asked our NPR readers to share the ways they