美国环境保护署周三表示，将在几天内提议废除拜登时代旨在遏制石油和天然气作业中大量甲烷泄漏的政策，甲烷是一种强效温室气体。
The US Environmental Protection Agency on Wednesday said it is days away from proposing to rescind a Biden-era policy that sought to rein in large leaks of methane, a potent greenhouse gas, from oil and gas operations.