American Scientist, 78, 325.
Permission granted by Sigma, Xi, The Scientific Research Society.)
(Adapted from Khalil and Rasmussen, C and E News, 64 (47), 23.)
Changes in mean global surface
temperature from the 1951-1980 average from 1880-1994. (U.S. Global Change
Research Program.)
U.S. Global Change Research Program.
