The Global Warming Challenge

Evidence-based forecasting for climate change


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The Climate Bet site was originally created to chronicle Scott Armstrong’s $20,000 Global Warming Challenge to Al Gore to provide better forecasts than the no-change model. While the challenge still stands, The site now promotes the use of proper scientific forecasting methods for long-term global climate change policy. It is affiliated with and the Forecasting Principles site.


This site was designed with consultation from Professor J. Scott Armstrong of the Wharton School, University of Pennsylvania, and receives support from the International Institute of Forecasters. Kesten C. Green of the University of South Australia serves as an adviser to the site. This site was formerly maintained by Kelly Jin, a University of Pennsylvania economics student.

Written by climatebet

June 17th, 2007 at 1:53 pm

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