Proceedings of the National Academy of Sciences, Volume 122, Issue 45, November 2025. SignificanceNatural experiments that test species boundaries can reveal key insights into how biodiversity is generated and maintained. Sulawesi, formed by the fusion of formerly isolated paleo-islands that brought populations into secondary contact, …
Observations from the Little Bunker
Last updated: November 30, 2025 04:25 AM
Atmospheric CO₂
426.8 ppm
+18.1
ppm/year
Atmospheric CH₄
1927.61 ppb
+2.73
ppb/year
Global Temperature
+1.48 °C
Peak: +1.73°C
World Population
8.1 billion
+67
million/year