Zack LabeDec 18, 2022

Carbon dioxide (CO₂) averaged ~418 ppm in November 2022.

10 years ago November averaged ~393 ppm.

+ Preliminary data: https://gml.noaa.gov/ccgg/trends/

Trends in CO2 - NOAA Global Monitoring Laboratory

GML conducts research on greenhouse gas and carbon cycle feedbacks, changes in aerosols, and surface radiation, and recovery of stratospheric ozone.

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@ZLabe my new CO2 meter had a calibration routine that involved leaving it outside away from people for about 20 minutes. I wonder how much longer that’ll work.
Dec 18, 2022 at 5:24pmWeb