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 2023 will the CO2 value be below 420 ppm ?
Josef Biesenberger in
Science
» Environment
currently Open, suspends 01/06/2024 22:10 (in )
Predictions
Background
latest data ppm (parts per million):
http://www.esrl.noaa.gov/gmd/ccgg/trends/mlo.html#mlo
Growth rate:
https://gml.noaa.gov/ccgg/trends/gr.html
Monthly data:
https://gml.noaa.gov/webdata/ccgg/trends/co2/co2_mm_mlo.txt
https://de.co2.earth/daily-co2
YYYY MM PPM
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
2022 1 418.19
2022 2 419.28
2022 3 418.81
2022 4 420.23
2022 5 420.99
2022 6 420.99
2022 7 418.90
2022 8 417.19
2022 9 415.95
2022 10 415.78
2022 11 417.51
2022 12 418.95
article: http://www.climatecentral.org/news/co2-milestone-400-ppm-climate-17692
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