Proceedings of the National Academy of Sciences, Volume 123, Issue 1, January 2026. SignificanceAnalytic combinatorics in several variables estimates coefficients of multivariate generating functions via complex contour integration near singularities of the function. These functions encode behaviors of systems in fields ranging from …
Observations from the Little Bunker
Last updated: January 08, 2026 08:12 PM
Atmospheric CO₂
428.3 ppm
+17.4
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