Proceedings of the National Academy of Sciences, Volume 122, Issue 23, June 2025. SignificanceUsing the CLIMBER-2 model to simulate the Plio–Pleistocene climate evolution, we find that for low (high) volcanic outgassing levels, the carbon system reorganizes itself such that atmospheric CO2is lower (higher), land carbon storage is low (…
Observations from the Little Bunker
Last updated: August 18, 2025 04:13 PM
Atmospheric CO₂
425.4 ppm
+18.4
ppm/year
Atmospheric CH₄
1934.91 ppb
+9.11
ppb/year
Global Temperature
+1.48 °C
Peak: +1.73°C
World Population
8.1 billion
+67
million/year