NYT > World News At U.N. Climate Summit, U.S. Stands Alone Par :Max Bearak and Somini Sengupta 24 septembre 2025 à 16:49 On Wednesday in New York, countries lined up to say they would accelerate their efforts to cut greenhouse-gas emissions. In staying away, the U.S. was all but alone. © Bing Guan/ReutersSpeaking Tuesday at the United Nations, Mr. Trump urged the world to buy more U.S.-produced oil and gas. A refinery in Los Angeles.