The Hansen forecasts 30 years later

From Dr. Judith Curry’s site, a discussion of Hansen’s original forecasts as seen below: by Ross McKitrick and John Christy How accurate were James Hansen’s 1988 testimony and subsequent JGR article forecasts of global warming? According to a laudatory article by AP’s Seth Borenstein, they “pretty much” came true, with other scientists claiming their accuracy was “astounding” and “incredible.”  Pat Michaels…

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Analysis of James Hansen’s 1988 Prediction of Global Temperatures for the Last 30 Years

Guest analysis by Clyde Spencer Introduction There have been articles on WUWT recently, here and here, commemorating the 30 years since James Hansen gave Senate committee testimony about his view of the human influence on climate. Some apologists for Hansen have, without more than subjectively comparing graphs, claimed that his prediction was extremely accurate. The…