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Environment & Energy

hatrack

(59,587 posts) Sat Nov 11, 2017, 06:25 PM Nov 2017

October 2017 Atmospheric CO2 Content - 403.64 ppm; October 2016 - 401.57; October 2015 - 398.29

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

ftp://aftp.cmdl.noaa.gov/products/trends/co2/co2_mm_mlo.txt

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October 2017 Atmospheric CO2 Content - 403.64 ppm; October 2016 - 401.57; October 2015 - 398.29 (Original Post) hatrack Nov 2017 OP

Oh, and in case you were wondering . . . hatrack Nov 2017 #1

hatrack

(59,587 posts)

1. Oh, and in case you were wondering . . .

Reply to hatrack (Original post)

Sat Nov 11, 2017, 09:15 PM

Nov 2017

No one alive today, and no one for the foreseeable future of the species will experience CO2 below 400 ppm. October is the low month of the annual vegetation cycle, and we're hell and gone from 400.

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