What Was The CO2 Level In 1980?
What Was The CO2 Level In 1980? Year Mauna Loa 1979 336.84 1980338.75 1981 340.11 1982 341.45 What was CO2 ppm in 1980? Carbon dioxide in the atmosphere is increasing There is an overall upward trend since data collection began. Global monthly average concentrations of carbon dioxide have risen steadily from 339 parts per million