美国将缺席十年来最重要的气候峰会

Group 1 - The United States has officially initiated the process to withdraw from the Paris Agreement, marking a significant retreat from international climate diplomacy as it prepares for COP30 in Brazil [1][2] - COP30, scheduled for November 10-21, 2025, will assess countries' progress on climate change, particularly regarding emission reduction targets and renewable energy development [1] - The choice of Belém, Brazil as the venue for COP30 aims to highlight the importance of protecting the Amazon rainforest, which is expected to be a key discussion topic [1] Group 2 - This marks the second time the U.S. has withdrawn from the Paris Agreement, with the first withdrawal occurring in 2020 under former President Trump, followed by a rejoining in 2021 under President Biden [2] - The recent decision to withdraw has led to the dismissal of the last climate negotiator at the State Department, further solidifying a hardline stance on climate policy [2] Group 3 - Experts express concern that the U.S. absence from COP30 will have profound implications for global climate governance, potentially creating a "dangerous vacuum" that undermines trust and cooperation among nations [3] - The exit of the U.S. may weaken its credibility in climate commitments and could embolden wealthier nations to regress in their climate efforts, impacting poorer countries' confidence in global climate initiatives [3] Group 4 - In contrast to the U.S., China is demonstrating unprecedented commitment and scale in the clean energy sector, currently constructing 510 GW of utility-scale wind and solar projects, with a total installed capacity of 1,400 GW, which is five times that of the U.S. [4] - China's focus on green technology as a core component of its national economic strategy is expected to amplify its influence at COP30, positioning it as a potential leader in global climate affairs [5]