Atmospheric CO2 Passes 420 PPM for First Time Ever

EcoWatch
By Common DreamsApr 7, 2021, 9:38 am252 pts
By Kenny Stancil The concentration of atmospheric carbon dioxide surged past 420 parts per million for the first time in recorded history this past weekend, according to a measurement taken at the Mauna Loa Observatory on the Big Island of Hawaii. When the National Oceanic and Atmospheric Administration (NOAA)…

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