2025年，美国政府宣布退出包括《巴黎协定》在内的多项国际气候治理机制，引发全球广泛关注。这一决定被视为对多边主义和全球气候合作的重大打击。美方声称，现有气候协议对其国内经济造成不公负担，尤其影响能源、制造业等关键产业，并强调将优先保障本国就业与能源安全。然而，批评者指出，此举不仅削弱全球减排努力，还可能削弱美国在绿色技术领域的领导地位。事实上，美国作为历史累计碳排放最多的国家之一，其退出将对实现《巴黎协定》设定的温控目标构成严峻挑战。与此同时，欧盟、中国等主要经济体重申对气候行动的承诺，并加速推进清洁能源转型。值得注意的是，美国部分州政府和企业仍坚持自主减排目标，试图在联邦政策转向背景下维持气候行动连续性。总体而言，美国此次退出反映了其国内政治对气候议题的深刻分歧，也凸显了全球气候治理机制在面对大国政策变动时的脆弱性。
In 2025, the U.S. government announced its withdrawal from multiple international climate governance frameworks, including the Paris Agreement, drawing widespread global concern. This move is seen as a significant blow to multilateralism and global climate cooperation. The U.S. administration argued that existing climate agreements impose unfair economic burdens, particularly on key sectors such as energy and manufacturing, and emphasized prioritizing domestic jobs and energy security. Critics, however, contend that this decision not only undermines global emissions reduction efforts but may also erode America’s leadership in green technology. As one of the world’s largest historical cumulative carbon emitters, the U.S. withdrawal poses a serious challenge to achieving the temperature goals set by the Paris Agreement. In response, major economies like the European Union and China have reaffirmed their climate commitments and accelerated clean energy transitions. Notably, several U.S. states and corporations continue to pursue independent emissions reduction targets, seeking to maintain climate action continuity despite federal policy shifts. Overall, this withdrawal reflects deep domestic political divisions over climate policy and highlights the vulnerability of global climate governance mechanisms to shifts in great-power politics.
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