How well did Hansen (1988) do?

Guest Post by Ira Glickstein. The graphic from RealClimate asks “How well did Hansen et al (1988) do?” They compare actual temperature measurements through 2012 (GISTEMP and HadCRUT4) with Hansen’s 1988 Scenarios “A”, “B”, and “C”. The answer (see my annotations) is “Are you kidding?” HANSEN’S SCENARIOS The three scenarios and their predictions are defined…

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