Mr. Gore has made his case in his book and movie both titled An Inconvenient Truth. Scott Armstrong's case is that climate forecasters are unfamiliar with scientific forecasting methods, and their consequent inappropriate use of complex models provides invalid forecasts.
Forecasts from climate models are therefore likely to be less accurate that the naïve forecast that global temperatures will not change. The winner of the Global Warming Challenge will be the party with the smallest forecast error over the next 10 years. Assume that Al Gore can spare five minutes at some time in the future to accept Scott Armstrong's Global Warming Challenge. Who do you think would win?
Pick the winner: