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Environment & Energy

hatrack

(59,587 posts) Wed Jan 8, 2020, 08:41 AM Jan 2020

3

December 2019 Atmospheric CO2: 411.76 ppm; December 2018 - 409.07; December 2017 - 406.81

https://www.esrl.noaa.gov/gmd/ccgg/trends/

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December 2019 Atmospheric CO2: 411.76 ppm; December 2018 - 409.07; December 2017 - 406.81 (Original Post) hatrack Jan 2020 OP

Thank you, hatrack! Mickju Jan 2020 #1

Mickju

(1,803 posts)

1. Thank you, hatrack!

Reply to hatrack (Original post)

Wed Jan 8, 2020, 11:07 AM

Jan 2020

Your posts are very valuable.

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