Proceedings of the National Academy of Sciences, Volume 122, Issue 29, July 2025. SignificanceHere, we use lithium isotopes preserved in lake sediments to reconstruct 9,500 y of soil development in the European Alps. By disentangling the respective roles of climate and agropastoral land use across a mountain catchment, we show that …
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