本周，来自191个国家的代表齐聚蒙特利尔出席第39届联合国国际民用航空组织（ICAO）会议；在经历了几十年的争论后，他们就一项专门针对航空的气候协定达成了一致。
Representatives from 191 countries convened in Montreal this week for the 39th Session of the United Nations’ International Civil Aviation Organization; after decades of wrangling, they have agreed to an aviation-specific climate agreement.