Sulphate Aerosol and Climate. J. T. Houghton, L. G. Meira Filho, B. A. Callander, N. Harris, A Kattenberg and K. Maskell Editors. Interannual Extremes in the Rates of Rise of Atmospheric Carbon Dioxide Since 1980. Due to the Enhanced Greenhouse Effect. The global stations of the GAW program.
Full triangles indicate stations under development.
Atmospheric carbon dioxide mixing ratios. Data prior to May 1974 are from the Scripps Institution of Oceanography, data since May 1974 are from the National Oceanic and Atmospheric Administration. 1990 per capita CO2 emissions by region and source, fossil fuels, and range for biota sources. Includes sustainable use of biomass that does not contribute to atmospheric concentration increase.