The Hansen forecasts 30 years later

Climate Etc.

by Ross McKitrick and John Christy

Note: this is a revised version to correct the statement about CFCs and methane in Scenario B.

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 and Ryan Maue in the Wall Street Journal, and Calvin Beisner in the Daily Caller, disputed this.

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About Jim Rose

Utopia - you are standing in it promotes a classical liberal view of the world and champion the mass flourishing of humanity through capitalism and the rule of law. The origin of the blog is explained in the first blog post at https://utopiayouarestandinginit.wordpress.com/2014/03/12/why-call-my-blog-utopia-you-are-standing-in-it/

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