Carbon dioxide levels in the atmosphere will this year reach levels 50 percent higher than before the industrial revolution because of manmade emissions, Britain’s Met Office predicted on Friday.
It forecasted the annual average CO2 concentration measured at the Mauna Loa Observatory in Hawaii in 2021 will be around 2.29 parts per million (ppm) higher than in 2020.
It said CO2 concentrations will exceed 417 ppm at some point between April and June — 50 percent higher than the 278 ppm present in the late 18th century when the industrial era kicked off.
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