August 11, 2026
Mayor Zohran Mamdani and state officials this week announced plans to cool New York City subway platforms that turn into saunas during the summer. The mayor, Gov. Kathy Hochul, and the Metropolitan Transportation Authority are teaming up to study thermal energy networks (TENs) at the Brooklyn Bridge-City Hall and Chamber Street complex, among the city's hottest subway platforms. The technology, the first in the nation installed in a transit system, involves capturing, storing, and recycling the excess heat to surrounding buildings in the winter. The TENs study will be part of a thorough renovation of the Chambers Street station, one of the city's oldest.
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