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Carbon Dioxide Levels Soared Above 412 Parts Per Million in 2020, Highest in Human History

HeadlineAug 26, 2021

In climate news, the National Oceanic and Atmospheric Administration reports atmospheric levels of carbon dioxide reached their highest levels in human history last year, averaging more than 412 parts per million. That’s despite a modest slowdown in emissions due to the coronavirus pandemic in 2020. NOAA also reports global average sea level rose to a new record high, about 3.6 inches above 1993 levels, when satellite measurements began.

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