Global warming alarmists claim that nearly all scientists agree that dangerous man-made warming will occur. However, surveying scientists’ opinions is not a scientific forecasting method. Nor is the claim true.
J. Scott Armstrong is Professor, University of Pennsylvania, Editor of Principles of Forecasting, a founder of the International Journal of Forecasting and the Journal of Forecasting, author of Long-Range Forecasting, and founder offorecastingprinciples.com. All of his papers are available at jscottarmstrong.com