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Facing up to uncertainty in climate-change economics / Geoffrey Heal &#38; Antony Millner, Vox, 13 June 2013http://www.voxeu.org/article/facing-uncertainty-climate-change-economicsUncertainty is intrinsic in climate-change economics. This column argues that it’s here to stay. There will be no accurate predictive tool for predicting economic growth, the emergence of clean-energy technology, or economic vulnerability in light of climate change in the near future. But this is not an excuse not to think about climate economics. Research and policy would do well to be more explicit about what we don’t know. We should avoid subjective guesses, and focus more on credible forecasts from empirically sound, if uncertain, models...