NEW YORK Chinese President Xi Jinping virtually addresses a climate summit, Wednesday, Sept. 24, 2025, at U.N. headquarters. China on Wednesday issued its first ever absolute targets for cutting planet—warming gases, a landmark pledge from the world's top polluter as the United States doubles down on fossil fuels and Europe falters. The announcement was delivered via video by President Xi Jinping to a U.N. climate summit where some 120 nations will outline plans to curb global warming, which is