Dietz, Simon and Morton, Alec (2009) Strategic appraisal of environmental risks: a contrast between the UK’s Stern Review on the Economics of Climate Change and its Committee on Radioactive Waste Management. Centre for Climate Change Economics and Policy and Grantham Research Institute on Climate Change and the Environment, 5. Centre for Climate Change Economics and Policy and Grantham Research Institute on Climate Change and the Environment, London, UK.
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In this paper we compare two high-profile strategic policy reviews undertaken for the UK government on environmental risks: radioactive waste management and climate change. These reviews took very different forms, both in terms of analytic approach and deliberation strategy. The Stern Review on the Economics of Climate Change was largely an exercise in expert modelling, building, within a cost-benefit framework, an argument for immediate reductions in carbon emissions. The Committee on Radioactive Waste Management, on the other hand, followed a much more explicitly deliberative and participative process, using Multi-Criteria Decision Analysis to bring together scientific evidence and stakeholder and public values. In this paper we ask why the two reviews were different, and whether the differences are justified. We conclude that the differences were mainly due to political context, rather than the underpinning science, and as a consequence that, while in our view “fit for purpose”, they would both have been stronger had they been less different. Stern’s grappling with ethical issues could have been strengthened by a greater degree of public and stakeholder engagement, and CoRWM’s handling of issues of uncertainty could have been strengthened by the explicitly probabilistic framework of Stern.
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