Carbon Dioxide Levels in Atmosphere Hit New Record: WMO

    Wahyu Dwi Anggoro - 24 November 2020 08:49 WIB
    Carbon Dioxide Levels in Atmosphere Hit New Record: WMO
    Illustration (Photo:Medcom.id)
    Jakarta: Levels of carbon dioxide (CO2) in the atmosphere hit a new record of 410.5 parts per million in 2019, and are expected to keep rising this year, according to the latest World Meteorological Organization (WMO) Greenhouse Gas Bulletin.

    "We breached the global threshold of 400 parts per million in 2015. And just four years later, we crossed 410 ppm. Such a rate of increase has never been seen in the history of our records,"  WMO Secretary-General Petteri Taalas said in a statement on Monday

    "The lockdown-related fall in emissions is just a tiny blip on the long-term graph. We need a sustained flattening of the curve," the WMO Secretary-General Petteri Taalas added.

    The Global Carbon Project estimated that during the most intense period of the shutdown, daily CO2 emissions may have been reduced by up to 17% globally due to the confinement of the population. 

    As the duration and severity of confinement measures remain unclear, the prediction of the total annual emission reduction over 2020 is very uncertain.

    Preliminary estimates indicate a reduction in the annual global emission between 4.2% and 7.5%. At the global scale, an emissions reduction this scale will not cause atmospheric CO2 to go down. CO2 will continue to go up, though at a slightly reduced pace (0.08-0.23 ppm per year lower). 

    The Greenhouse Gas Bulletin – one of WMO’s flagship reports – provides details on atmospheric abundance of the main long-lived greenhouse gases: carbon dioxide, methane and nitrous oxide. The Bulletin is based on observations and measurements from WMO’s Global Atmosphere Watch and partner networks, which includes atmospheric monitoring stations in remote Polar regions, high mountains and tropical islands. These stations have continued to function despite covid-19 restrictions hampering resupplies and rotation of staff in often harsh and isolated locations.

    (WAH)

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