Question Details

http://blogs.scientificamerican.com/observations/2013/05/09/400-ppm-carbon-dioxide-in-the-atmosphere-reaches-prehistoric-levels/
In how many months in 2022 will the CO2 value be below 418 ppm ?


Settled on 01/18/2023 16:51 Settled by


Predictions
Background
latest data ppm (parts per million):
http://www.esrl.noaa.gov/gmd/ccgg/trends/mlo.html#mlo
Monthly data:
https://gml.noaa.gov/webdata/ccgg/trends/co2/co2_mm_mlo.txt
https://de.co2.earth/daily-co2
YYYY MM PPM
2020 1 413.61
2020 2 414.34
2020 3 414.74
2020 4 416.45
2020 5 417.31
2020 6 416.60
2020 7 414.62
2020 8 412.78
2020 9 411.52
2020 10 411.51
2020 11 413.12
2020 12 414.26
2021 1 415.52
2021 2 416.75
2021 3 417.64
2021 4 419.05
2021 5 419.13
2021 6 418.94
2021 7 416.96
2021 8 414.47
2021 9 413.30
2021 10 413.93
2021 11 415.01
2021 12 416.71
article: http://www.climatecentral.org/news/co2-milestone-400-ppm-climate-17692
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