From 1974 to 1985, atmospheric carbon dioxide concentrations at the Mauna Loa Observatory in Hawaii increased an average of 1.42 parts per million annually.
Author(s): Thoning, K.W., et al.
Date: 1989
Link: https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/JD094iD06p08549
Overview:
Scientific Literature
Geographic Areas:
Global
Parameters:
CO2 / pCO2