Proceedings of the National Academy of Sciences, Volume 122, Issue 50, December 2025. SignificanceMethane is a potent greenhouse gas, and its accelerating rise since 2006 makes international climate goals harder to meet. However, there is debate about the specific sources driving this recent increase. By combining global records of methane’…
Observations from the Little Bunker
Last updated: December 19, 2025 03:16 AM
Atmospheric CO₂
427.2 ppm
+17.7
ppm/year
Atmospheric CH₄
1930.95 ppb
+-3.5
ppb/year
Global Temperature
+1.48 °C
Peak: +1.73°C
World Population
8.1 billion
+67
million/year