Advancing representations of equity and justice in climate mitigation futures

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http://eprints.org/relation/isVersionOf https://pure.iiasa.ac.at/id/document/112753 http://eprints.org/relation/isVolatileVersionOf https://pure.iiasa.ac.at/id/document/112753 http://eprints.org/relation/issmallThumbnailVersionOf https://pure.iiasa.ac.at/id/document/112753 archive 2 disk0/00/02/13/17 2026-02-12 13:06:13 2026-02-12 13:06:13 2026-02-12 13:06:13 article show Pachauri S. 1816 0000-0001-8138-3178 Brutschin E. 2250 0000-0001-7040-3057 Gidden M.J. 2108 0000-0003-0687-414X Hasegawa T. Hejazi M. Jiang K. Kikstra J.S. 2256 0000-0001-9405-1228 Krey V. 8099 0000-0003-0307-3515 Lamb W.F. Mintz-Woo K. 9148 0000-0002-9216-9561 Nauels A. 2522 0000-0003-1378-3377 Pelz S. 9327 0000-0002-3528-8679 Rogelj J. 8630 0000-0003-2056-9061 Roy J. Schaeffer R. Scheifinger K. 2444 0009-0001-9464-4098 Sokona Y. Tavoni M. van Ruijven B. 92197 0000-0003-1232-5892 Vinca A. 2193 0000-0002-3051-178X Vishwanathan S.S. Zimm C. 2073 0000-0001-5603-1015 Riahi K. 1696 0000-0001-7193-3498 Advancing representations of equity and justice in climate mitigation futures pub ECE IACC ICI S3 TISS POPJUS EQU In this work, we conduct a narrative review of pressing equity and justice issues within global modelled scenarios and propose a new research agenda to strengthen their consideration in future model developments and applications. We begin by introducing a typology of equity and justice limitations in climate mitigation scenarios, distinguishing among structural, methodological, and epistemological issues that shape what integrated assessment models (IAMs) can reveal at policy-relevant scales. Reflecting on these concerns, we develop a research agenda that describes new avenues of work and draws together distinct emerging initiatives, ranging from incremental improvements to structural reforms and alternative participatory approaches. Drawing on reflexive insights from integrated assessment practitioners, this agenda prioritizes embedding equity principles directly into scenario design through differentiated effort sharing and finance flows, developing new frameworks that incorporate sufficiency and demand transformations while protecting decent living, and establishing genuine co-production with underrepresented communities beyond mere consultation. Underlying this research agenda is a recognition that modeling communities must engage more critically with the implicit assumptions in scenario and model design and use that have equity and justice implications. Achieving equitable climate futures will require transformative actions that integrate diverse justice concerns, advance sustainable development, and confront systemic inequities across both human and ecological dimensions. Although models will never capture all these aspects, these can be significantly enhanced to support more informed discussion and practical application. Our contribution proposes a way forward to achieving this goal. 2026-02-11 doi:10.1371/journal.pclm.0000763 222 3271 103 3149 166 3052 3757 3176 254 3638 3102 2965 347 250 public PLOS Climate 5 2 e0000763 1 TRUE 2767-3200 Vidal Diogo Guedes GeoEngineering and NegatIve Emissions pathways in Europe (GENIE, H2020 951542) Enabling and Leveraging Climate Action Towards Netzero Emissions (ELEVATE, HE 101056873) yes info:eu-repo/grantAgreement/EC/HE/101056873/EU//ELEVATE; info:eu-repo/grantAgreeinfo:eu-repo/grantAgreement/EC/H2020/951542/EU//GENIE info:eu-repo/semantics/article info:eu-repo/semantics/openAccess