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English: Comparison of Hansen et al 1981 prpjections in figure 6 therein to GISTEMP observations. Equilibrium sensitivity used is 2.8 deg C/doubling.
  • Sc. 1 = no emission reductions, upper bound involves swtiching to synfuels
  • Sc. 2 a. = some emission reductions, no phasing out of coal
  • Sc. 2 b. = emission reductions, coal phaseout starting in 2020 (not shown, due to non-divergence from 2a for this graph)
  • Sc. 2 c. = Emission reductions, coal phaseout starting in 2000
  • Sc. 3 = Zero emissions

Notes:

  • The zeros have not been adjusted for either time series
Ref: Hansen et al (1980) Science. Vol 231, pp. 957-966
Date
Source Own work
Author Sailsbystars

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22 November 2012

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