Jack Klein takes heat readings, gives fans to overheated passengers and lugs big jugs of water into the stations On a recent August day in the subterranean furnace of New York City’s subway, one bearded, curly haired man was studying his phone for different reasons than the other wilting passenge...
Source: [Guardian US](https://www.theguardian.com/us-news/2026/aug/26/new-york-subway-extreme-heat)