世界气象组织10日确认2024年为有记录以来最热年份。全年平均气温首次比工业化前水平高出1.5摄氏度，达到1.55±0.13摄氏度。中科院成里京团队的研究表明，2024年的海洋温度也创下历史新高。（世界气象组织）

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世界气象组织28日发布年度《温室气体公报》，2023年，温室气体水平飙升并创下新纪录，致使未来多个年份地球温度还将持续上升。根据公报，2023年全球平均地表二氧化碳、甲烷和氧化亚氮的浓度分别达到420.0ppm、1934ppb和336.9ppb，分别是工业化前水平的1.51倍、2.65倍和1.25倍。其中二氧化碳浓度相较2004年上涨11.4%。世界气象组织副秘书长科·巴雷特警告，在不久的将来，气候变化本身会导致生态系统成为更大的温室气体来源。野火会向大气释放更多的碳排放量，而海洋升温可能会减少二氧化…

世界气象组织10日确认2024年为有记录以来最热年份。全年平均气温首次比工业化前水平高出1.5摄氏度，达到1.55±0.13摄氏度。中科院成里京团队的研究表明，2024年的海洋温度也创下历史新高。
（世界气象组织）

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Date: 2025-05-12| 竹新社

Unlimited members in Telegram group now

Telegram has made it easier for its users to communicate, as it has introduced a feature that allows more than 200,000 users in a group chat. However, if the users in a group chat move past 200,000, it changes into "Broadcast Group", but the feature comes with a restriction. Groups with close to 200k members can be converted to a Broadcast Group that allows unlimited members. Only admins can post in Broadcast Groups, but everyone can read along and participate in group Voice Chats," Telegram added.

Why Telegram?

Telegram has no known backdoors and, even though it is come in for criticism for using proprietary encryption methods instead of open-source ones, those have yet to be compromised. While no messaging app can guarantee a 100% impermeable defense against determined attackers, Telegram is vulnerabilities are few and either theoretical or based on spoof files fooling users into actively enabling an attack.