'We Have to Act': Atmospheric CO2 Passes 420 PPM for First Time Ever

Kenny Stancil, Common Dreams

'We Have to Act': Atmospheric CO2 Passes 420 PPM for First Time Ever
Jonathan Kemper on Unsplash

When the National Oceanic and Atmospheric Administration (NOAA) research station "began collecting CO2 measurements in the late 1950s, atmospheric CO2 concentration sat at around 315 PPM," the Washington Post reported. "On Saturday, the daily average was pegged at 421.21 PPM—the first time in human history that number has been so high."

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