Copernicus reports that 2025 is on course to be among the three warmest years recorded, currently tied with 2023 as the second-hottest behind 2024. November's global average temperature reached 14.02°C, or 1.54°C above pre-industrial levels — surpassing the 1.5°C Paris threshold. Scientists warn the mean for 2023–2025 is likely to exceed 1.5°C for the first time over any three-year period, underscoring urgent need for emissions reduction.
Copernicus: 2025 Poised To Be Among The Three Warmest Years On Record

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