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Atmospheric CO2 readings at Mauna Loa make history

  • COURTESY NOAA

    On Tuesday, the reading for atmospheric carbon dioxide measurements at Mauna Loa was 410.28 ppm, Climate Central reported. It took 55 years — until 2013 — for the measurement to reach 400 ppm.

Atmospheric carbon dioxide measurements from Mauna Loa Observatory last week topped 410 parts per million for the first time in modern history. Read more

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