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The unconditional probability distributions of future emissions and temperatures

Venmans, Frank ORCID: 0000-0002-4264-6606 and Carr, Ben (2022) The unconditional probability distributions of future emissions and temperatures. Grantham Research Institute on Climate Change and the Environment Working Paper (382). Grantham Research Institute on Climate Change and the Environment, London School of Economics and Political Science, London, UK.

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Abstract

How high should we build a dyke today, knowing that it will serve for more than 50 years? This depends on the unconditional probability distribution of future temperatures. We review the literature on estimates of future emissions for current policy scenarios and current pledge scenarios. Reviewing expert elicitations, abatement costs of scenarios, learning rates of technologies, fossil fuel supply side dynamics and geoengineering, we argue that scenarios with emissions largely beyond current policy scenarios and largely below current pledge scenarios are relatively unlikely. Based on this, we develop a transparent method to estimate unconditional probability distributions of future temperatures and temperature exceedance probabilities for use in Value at Risk stress tests in 2030, 2050 and 2100.

Item Type: Monograph (Working Paper)
Official URL: https://www.lse.ac.uk/granthaminstitute/publicatio...
Additional Information: © 2022 The Authors
Divisions: Grantham Research Institute
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Date Deposited: 04 Nov 2022 15:21
Last Modified: 16 May 2024 12:25
URI: http://eprints.lse.ac.uk/id/eprint/117255

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