美国这次“退群”理由是什么？

Core Viewpoint - The United States has announced its withdrawal from UNESCO for the third time, citing that the organization does not align with its "America First" policy and has been accused of promoting divisive social and cultural initiatives [2][4]. Group 1: Reasons for Withdrawal - The U.S. State Department's statement indicated that UNESCO's focus on sustainable development goals and its acceptance of Palestine as a member are problematic and contribute to anti-Israel sentiments within the organization [2][4]. - The withdrawal will officially take effect on December 31, 2026, according to UNESCO regulations [3]. Group 2: Historical Context - The U.S. previously withdrew from UNESCO in 1984 due to issues of corruption and mismanagement, rejoining in 2003. It withdrew again in 2017, citing increasing arrears and concerns over perceived bias against Israel, with the exit effective at the end of 2018. The U.S. rejoined the organization in 2023 [4]. Group 3: Reactions from UNESCO and Other Nations - UNESCO's Director-General, Audrey Azoulay, expressed regret over the U.S. decision, stating it contradicts the principles of multilateralism. She noted that the organization had prepared for this outcome by implementing structural reforms and diversifying funding sources since 2018 [5][6]. - Various international leaders, including UN Secretary-General António Guterres and French President Emmanuel Macron, expressed their disappointment regarding the U.S. withdrawal, emphasizing the importance of UNESCO in global cultural and educational preservation [7].