A new report from the World Meteorological Organization says there is now a 70 percent chance global temperatures will exceed 1.5 degrees Celsius above pre-industrial levels at least once between 2025 and 2029.
This warning follows record-breaking heat in 2023 and 2024, the two hottest years ever recorded.
The 1.5 degree threshold, based on average temperatures from 1850 to 1900, was the most ambitious target of the 2015 Paris Agreement.
But rising emissions of carbon dioxide, mainly from fossil fuel combustion, continue to push global temperatures higher. The report shows no sign of decline in emissions or warming.
Scientists now believe a long-term breach of the 1.5 degree limit is increasingly likely by the end of the 2020s or early 2030s.
If current trends persist, the world faces more frequent and intense climate-related disasters. The report stresses the urgency of implementing strong climate policies before the window for action closes.
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