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  A multi-model assessment of inequality and climate change

Emmerling, J., Andreoni, P., Charalampidis, I., Dasgupta, S., Dennig, F., Feindt, S., Fragkiadakis, D., Fragkos, P., Fujimori, S., Gilli, M., Grottera, C., Guivarch, C., Kornek, U., Kriegler, E., Malerba, D., Marangoni, G., Méjean, A., Nijsse, F., Piontek, F., Simsek, Y., Sörgel, B., Taconet, N., Vandyck, T., Young-Brun, M., Zhao, S., Zheng, Y., Tavoni, M. (2024): A multi-model assessment of inequality and climate change. - Nature Climate Change, 14, 1254-1260.
https://doi.org/10.1038/s41558-024-02151-7

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Item Permalink: https://publications.pik-potsdam.de/pubman/item/item_30541 Version Permalink: https://publications.pik-potsdam.de/pubman/item/item_30541_4
Genre: Journal Article

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https://github.com/JohannesEmm/navigate_inequality_mip (Supplementary material)
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 Creators:
Emmerling, Johannes1, Author
Andreoni, Pietro1, Author
Charalampidis, Ioannis1, Author
Dasgupta, Shouro1, Author
Dennig, Francis1, Author
Feindt, Simon2, Author              
Fragkiadakis, Dimitris1, Author
Fragkos, Panagiotis1, Author
Fujimori, Shinichiro1, Author
Gilli, Martino1, Author
Grottera, Carolina1, Author
Guivarch, Celine1, Author
Kornek, Ulrike2, Author              
Kriegler, Elmar2, Author              
Malerba, Daniele1, Author
Marangoni, Giacomo1, Author
Méjean, Aurélie1, Author
Nijsse, Femke1, Author
Piontek, Franziska2, Author              
Simsek, Yeliz1, Author
Sörgel, Björn2, Author              Taconet, Nicolas2, Author              Vandyck, Toon1, AuthorYoung-Brun, Marie1, AuthorZhao, Shiya1, AuthorZheng, Yu1, AuthorTavoni, Massimo1, Author more..
Affiliations:
1External Organizations, ou_persistent22              
2Potsdam Institute for Climate Impact Research, ou_persistent13              

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 Abstract: Climate change and inequality are critical and interrelated issues. Despite growing empirical evidence on the distributional implications of climate policies and climate risks, mainstream model-based assessments are often silent on the interplay between climate change and economic inequality. Here we fill this gap through an ensemble of eight large-scale integrated assessment models that belong to different economic paradigms and feature income heterogeneity. We quantify the distributional implications of climate impacts and of the varying compensation schemes of climate policies compatible with the goals of the Paris Agreement. By 2100, climate impacts will increase inequality by 1.4 points of the Gini index on average. Maintaining global mean temperature below 1.5 °C reduces long-term inequality increase by two-thirds but increases it slightly in the short term. However, equal per-capita redistribution can offset the short-term effect, lowering the Gini index by almost two points. We quantify model uncertainty and find robust evidence that well-designed policies can help stabilize climate and promote economic inclusion.

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Language(s): eng - English
 Dates: 2024-01-162024-09-042024-10-042024-12-01
 Publication Status: Finally published
 Pages: 12
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1038/s41558-024-02151-7
PIKDOMAIN: RD3 - Transformation Pathways
Organisational keyword: RD3 - Transformation Pathways
Working Group: Climate & Energy Policy
Working Group: Macroeconomic modeling of climate change mitigation and impacts
MDB-ID: No MDB - stored outside PIK (see locators/paper)
OATYPE: Hybrid Open Access
Model / method: Model Intercomparison
Regional keyword: Global
Research topic keyword: 1.5/2°C limit
Research topic keyword: Climate Policy
Research topic keyword: Economics
Research topic keyword: Mitigation
Research topic keyword: Climate impacts
PIKDOMAIN: RD5 - Climate Economics and Policy - MCC Berlin
Organisational keyword: RD5 - Climate Economics and Policy - MCC Berlin
 Degree: -

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Project name : NAVIGATE
Grant ID : 821124
Funding program : Horizon 2020 (H2020)
Funding organization : European Commission (EC)
Project name : PRISMA
Grant ID : 101081604
Funding program : Horizon Europe (HE)
Funding organization : European Commission (EC)
Project name : ECEMF
Grant ID : 101022622
Funding program : Horizon Europe (HE)
Funding organization : European Commission (EC)

Source 1

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Title: Nature Climate Change
Source Genre: Journal, SCI, Scopus, p3
 Creator(s):
Affiliations:
Publ. Info: -
Pages: - Volume / Issue: 14 Sequence Number: - Start / End Page: 1254 - 1260 Identifier: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/140414
Publisher: Nature