@deardata1: Earth's average surface temperature over the last 2,000 years, from year 1 to 2025. Each point is a ten-year average, compared with the average of 1850 to 1900. The last one is 1.28 degrees Celsius, about 2.3 degrees Fahrenheit, above that average. Nobody had thermometers before 1850, so those years are an estimate that scientists rebuilt from tree rings, corals, ice cores and lake mud. That estimate is the work of PAGES 2k, an international team of climate scientists, published in the journal Nature Geoscience and used by the UN's climate panel, the IPCC, in its 2021 report. From 1850 on it's the thermometer record kept by the UK Met Office, Britain's national weather service, and NASA's separate record agrees with it. The marker at 1910 is roughly when burning coal and oil took off worldwide. A ten-year average runs behind single hot years. 2024 alone was about 1.5 degrees Celsius above that baseline. Sources: PAGES 2k Consortium and the UK Met Office #ClimateChange #GlobalWarming #ClimateCrisis #ClimateScience #FossilFuels

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Sunday 15 November 2026 14:51:10 GMT