Researchers from France’s CNRS and other institutions reported in Earth System Science Data on the 11th that 2025 global mean temperature was 1.39°C above 1850–1900 (pre‑industrial) levels, with 1.37°C attributable to human activity, making 2025 the third-warmest year on record. The team found natural variability had a limited effect. They estimate human‑induced warming is advancing at about 0.27°C per decade, driven by record atmospheric greenhouse gas concentrations, and that, at current CO2 e

Researchers from France’s CNRS and other institutions reported in Earth System Science Data on the 11th that 2025 global mean temperature was 1.39°C above 1850–1900 (pre‑industrial) levels, with 1.37°C attributable to human activity, making 2025 the third-warmest year on record. The team found natural variability had a limited effect. They estimate human‑induced warming is advancing at about 0.27°C per decade, driven by record atmospheric greenhouse gas concentrations, and that, at current CO2 emission levels, human‑caused warming is projected to exceed 1.5°C around 2030.