Proceedings of the National Academy of Sciences, Volume 123, Issue 5, February 2026. SignificanceDetrimental human and wildlife exposures to per- and polyfluoroalkyl substances (PFAS) have prompted shifts in chemical manufacturing toward novel compounds that are difficult to detect. Here, we show that bulk organofluorine concentrations in …
Observations from the Little Bunker
Last updated: February 24, 2026 10:22 PM
Atmospheric CO₂
429.9 ppm
+17.3
ppm/year
Atmospheric CH₄
1946.47 ppb
+6.49
ppb/year
Global Temperature
+1.48 °C
Peak: +1.73°C
World Population
8.1 billion
+67
million/year