Proceedings of the National Academy of Sciences, Volume 123, Issue 2, January 2026. SignificanceCulture is the shared knowledge that enables individuals in society to function in a manner acceptable within that society. This knowledge is encoded in cultural models: simplified, schematic mental representations of salient domains of life, …
Observations from the Little Bunker
Last updated: January 13, 2026 12:51 AM
Atmospheric CO₂
428.7 ppm
+18.1
ppm/year
Atmospheric CH₄
1940.59 ppb
+-0.24
ppb/year
Global Temperature
+1.48 °C
Peak: +1.73°C
World Population
8.1 billion
+67
million/year