'mauna loa has been producing a readout which supports manning's predetermined goal by showing steady growth in atmospheric co2 concentrations since 1959.
'mauna loa has been producing a readout which supports manning's predetermined goal by showing steady growth in atmospheric co2 concentrations since 1959.
keeling curve:20
the measurements collected at mauna loa observatory show a steady increase in mean atmospheric co 2 concentration from 313 parts per million by volume (ppmv) in march 1958 to 406 ppmv in november 2018, with an increase of ~2 ppmv co 2 per year.