There has never been this level of CO2 in human history

Record levels of CO2 at 414 ppm

Update: CO₂ levels well above 414 ppm have meanwhile shown up at Mauna Loa, Hawaii, the highest levels since such measurements started (January 22, 2019 image).

Created by Sam Carana for Arctic-news.blogspot.com with NOAA image.

From the set at: https://www.facebook.com/SamCarana/posts/10161229421520161