New UN climate report says the past decade was the hottest on record A new UN report confirms the past decade was the hottest on record.Share this: 2025 on track to tie for second hottest year on record, EU monitor saysDateDecember 9, 2025In relation toAl-JazeeraUN says 2025 to be among three hottest years on recordDateNovember 6, 2025In relation toAl-JazeeraHottest year on record almost certain to occur by end of 2030, UN warnsDateMay 28, 2026In relation toAl-Jazeera