Nature Climate Change, Published online: 24 December 2025; doi:10.1038/s41558-025-02532-6Heatwave attribution in seconds
Observations from the Little Bunker
Last updated: December 25, 2025 02:10 PM
Atmospheric CO₂
427.2 ppm
+17.9
ppm/year
Atmospheric CH₄
1930.95 ppb
+-3.5
ppb/year
Global Temperature
+1.48 °C
Peak: +1.73°C
World Population
8.1 billion
+67
million/year