美国环保署宣布废除拜登时代制定的电力部门温室气体排放标准12。环保署主管李·泽尔丁称这是"有史以来最大的电力部门监管行动"2，并表示新规则将"确保负担得起和可靠的能源供应"1。被废除的规则原本要求电厂在2039年前减少二氧化碳排放最多90%或关闭2。
环保署声称此举将节省3100亿美元1，并预计煤炭生产将增加超过十倍2。官方承诺美国人将看到电价下降2。然而，拜登时代的规定估计每年可防止4500例过早死亡1。美国电力部门每年排放约15亿吨二氧化碳当量，约占美国总排放量的四分之一12。
环保组织主席纳撒尼尔·基奥恩称这一举措为"巨大倒退"1。环保人士和法律专家预期这一决定将面临立即的法律诉讼2。作为全球第二大温室气体排放国1，美国此举引发国际关注。
The U.S. Environmental Protection Agency has repealed Obama and Biden-era greenhouse gas emission standards for power plants, marking a significant reversal in federal climate policy 2. EPA Administrator Lee Zeldin announced the repeal, describing it as "the largest regulatory action for the power sector in history" 2. The scrapped rules, established in 2024, had required power plants to reduce carbon dioxide emissions by up to 90 percent or shut down by 2039 2.
The Trump administration contends the measure will deliver substantial economic benefits and energy affordability. Zeldin stated the action will "ensure affordable and reliable energy supply" 1, while the administration promised that "Americans will see electricity prices decline" 2. The EPA projects the repeal will save $310 billion (£223 billion) 1. Zeldin characterized the previous administration's approach as a "15-year war on coal" 2, and the EPA predicts coal production will "increase more than tenfold" following the rollback 2.
Environmental advocates and public health experts have strongly opposed the decision. The Biden-era regulation was estimated to prevent 4,500 premature deaths annually 1. Nathaniel Keohane, president of an environmental organization, called the repeal a "massive step backwards" 1. The power sector currently accounts for approximately one-quarter of U.S. greenhouse gas emissions 1. The U.S. remains the world's second-largest greenhouse gas emitter, behind only China 1. Legal challenges to the rollback are expected to follow immediately 1.
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