The former NAACP president had a contentious tenure at one of the nation’s oldest environmental organizations.By Lee HedgepethBen Jealous’ tenure at the Sierra Club has come to an end.
Observations from the Little Bunker
Last updated: January 27, 2026 10:12 PM
Atmospheric CO₂
428.6 ppm
+17.4
ppm/year
Atmospheric CH₄
1940.59 ppb
+-0.24
ppb/year
Global Temperature
+1.48 °C
Peak: +1.73°C
World Population
8.1 billion
+67
million/year