Climate Week NYC 2026 Opens Across New York
CONFIRMED85% CONFIDENCEStated as firm, per climateweeknyc.org[1][2][6]: "Climate Week NYC is back September 20–27, 2026", with the "Opening Ceremony on Monday, September 21, 2026".
Climate Group's Climate Week NYC runs from 20 to 27 September 2026 alongside the UN General Assembly, with more than 1,000 events across the city and an Opening Ceremony on 21 September.
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