The Discovery of Global Warming

August 2003      [HOME]     List of illustrations     BACK

A century of average surface temperatures of the Northern Hemisphere, looking back from 1980. (Shown as differences in °C from the 1946-60 mean. For a graph of temperatures through 2002 click here.)

From P. D. Jones et al., Monthly Weather Review 110 (1982), p. 67,
reproduced by permission American Meteorological Society.