'Last week, it was confirmed that 2024 was the warmest year on record, with annual average temperatures higher than 1.5°C above pre-industrial levels for the first time,' said Professor Richard Betts, who led the production of the forecast.
'While this does not represent a failure to achieve the Paris Agreement target, as that would require breaching warming 1.5°C over a longer period and we may see a slightly cooler year in 2025, the long-term warming trend will continue because CO2 is still building up in the atmosphere.'
The study comes just one week after 2024 was confirmed to have been the hottest year on record. Measurements taken at Mauna Loa reveal the fastest annual rise in carbon dioxide (CO2) since records began back in 1958.
Worryingly, if global warming is to be limited to 1.5°C, calculations by the IPCC indicate that CO2 needs to be slowing by 1.8ppm per year.
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