World's first year-long breach of key 1.5C warming limit
The last 12 months were the hottest on record, temporarily sending the world past a deeply symbolic mark.
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The last 12 months were the hottest on record, temporarily sending the world past a deeply symbolic mark.
For the first time, world temperature has exceeded 1.5C across an entire year, reports the Copernicus Climate Change Service (C3S), European Union's climate
For the first time on record, the average global temperature has exceeded 1.5°C over 12 months, according to Copernicus Climate Change Service
With devastating extreme heat and storms and floods, 2023 was the first year 1.5°C warmer than the 1850-1900 baseline, and both Antarctic sea-ice loss and record northern hemisphere sea-surface temperatures were way beyond the ranges projected by climate models.
For climate scientists, in dispute are global historical sea surface temperatures from the 19th century.