Global warming is on the cusp of crucial 1.5 °C threshold, suggest ice-core data
undefined 13, 2024
A study using Antarctic ice-core data suggests human-caused global warming may have hit 1.49°C above pre-industrial levels by 2023, nearing the 1.5°C threshold set by the Paris Agreement. This estimate, based on a pre-1700 baseline, contrasts with the IPCC's 1.31°C figure, which uses the 1850–1900 average and may miss earlier warming trends. Researchers argue their method, offering 30% higher certainty, can provide near-real-time warming estimates, helping guide urgent climate actions without relying solely on models.
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