Summary: | IN THE TANDEM PAPERS ON THE STABILITY OF the Antarctic and Greenland Ice Sheets by J. T. Overpeck, B. L. Otto-Bliesner, and coworkers ("Paleoclimatic evidence for future ice-sheet instability and rapid sea-level rise," J. T. Overpeck et al., Reports, 24 Mar., p. 1747; "Simulating Arctic climate warmth and icefield retreat in the last interglaciation," B. L. Otto-Bliesner et al., Reports, 24 Mar., p. 1751), firm statements are made about the possible contributions of these ice sheets to future sea-level change. Several doubtful assumptions are made, and the quality of model results seems to be overvalued.
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