Two days before the sweltering July 4 weekend, Martina Meijer, a New York City elementary teacher who occasionally substitutes over the summer, covered a class. The city’s summer school programhad just begun and that day temperatures reached 100 degrees. “Even though the AC was on, it wasn’t wo...

Source: [Grist](https://grist.org/buildings/is-it-getting-too-hot-for-summer-school/)

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