Using large ensembles of climate change mitigation scenarios for robust insights

Guivarch, C., Le Gallic, T., Bauer, N., Fragkos, P., Huppmann, D. ORCID: https://orcid.org/0000-0002-7729-7389, Jaxa-Rozen, M., Keppo, I., Kriegler, E., Krisztin, T. ORCID: https://orcid.org/0000-0002-9241-8628, Marangoni, G., Pye, S., Riahi, K. ORCID: https://orcid.org/0000-0001-7193-3498, Schaeffer, R., Tavoni, M., Trutnevyte, E., van Vuuren, D., & Wagner, F. ORCID: https://orcid.org/0000-0003-3429-2374 (2022). Using large ensembles of climate change mitigation scenarios for robust insights. Nature Climate Change 10.1038/s41558-022-01349-x.

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Abstract

As they gain new users, climate change mitigation scenarios are playing an increasing role in transitions to net zero. One promising practice is the analysis of scenario ensembles. Here we argue that this practice has the potential to bring new and more robust insights compared with the use of single scenarios. However, several important aspects have to be addressed. We identify key methodological challenges and the existing methods and applications that have been or can be used to address these challenges within a three-step approach: (1) pre-processing the ensemble; (2) selecting a few scenarios or analysing the full ensemble; and (3) providing users with efficient access to the information.

Item Type:	Article
Research Programs:	Biodiversity and Natural Resources (BNR) Biodiversity and Natural Resources (BNR) > Integrated Biosphere Futures (IBF) Energy, Climate, and Environment (ECE) Energy, Climate, and Environment (ECE) > Integrated Assessment and Climate Change (IACC) Energy, Climate, and Environment (ECE) > Pollution Management (PM) Energy, Climate, and Environment (ECE) > Transformative Institutional and Social Solutions (TISS)
Depositing User:	Luke Kirwan
Date Deposited:	10 May 2022 08:47
Last Modified:	10 May 2022 08:47
URI:	https://pure.iiasa.ac.at/17991

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