Proceedings of the National Academy of Sciences, Volume 122, Issue 46, November 2025. SignificanceThe synergistic pathway for simultaneously controlling particulate matter (PM2.5), ozone (O3), and CO2remains unclear due to the nonlinear response of O3to its precursors [NOxand volatile organic compounds (VOCs)] and limited integration …
Observations from the Little Bunker
Last updated: November 30, 2025 04:25 AM
Atmospheric CO₂
426.8 ppm
+18.1
ppm/year
Atmospheric CH₄
1927.61 ppb
+2.73
ppb/year
Global Temperature
+1.48 °C
Peak: +1.73°C
World Population
8.1 billion
+67
million/year