Average atmospheric CO2 concentration breaches 420 PPM for the first time in recorded history
Average atmospheric CO2 concentration breaches 420 PPM for the first time in recorded history
gml.noaa.gov Trends in CO2 - NOAA Global Monitoring Laboratory
GML conducts research on greenhouse gas and carbon cycle feedbacks, changes in aerosols, and surface radiation, and recovery of stratospheric ozone.
Not nice.
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