Proceedings of the National Academy of Sciences, Volume 122, Issue 50, December 2025. SignificanceUnderstanding how climate change affects the viability of migratory populations requires leveraging data of demography, movement, and environmental conditions across the annual cycle. Such integrative, multispecies datasets remain rare, ā¦
Observations from the Little Bunker
Last updated: December 19, 2025 03:16 AM
Atmospheric COā
427.2 ppm
+17.7
ppm/year
Atmospheric CHā
1930.95 ppb
+-3.5
ppb/year
Global Temperature
+1.48 Ā°C
Peak: +1.73Ā°C
World Population
8.1 billion
+67
million/year