Enriching the Shared Socioeconomic Pathways to co-create consistent multi-sector scenarios for the UK

As the pressure to take action against global warming is growing in urgency, scenarios that incorporate multiple social, economic and environmental drivers become increasingly critical support governments other stakeholders planning climate change mitigation or adaptation actions. This has led recent explosion of future scenario analyses at scales, further accelerated since development Intergovernmental Panel on Climate Change (IPCC) research community Shared Socioeconomic Pathways (SSPs) Representative Concentration (RCPs). While RCPs have been widely applied models produce scales for investigating impacts, vulnerabilities (CCIAV), SSPs are only recently being scaled different geographical sectoral applications. seen UK where significant investment produced RCP-based Projections (UKCP18), but no equivalent version exists. We address this need by developing a set multi-driver qualitative quantitative UK-SSPs, following state-of-the-art methodology integrates national stakeholder knowledge locally-relevant indicators with higher level information from European SSPs. was achieved through an intensive participatory process facilitated combination bottom-up top-down approaches develop UK-specific locally comprehensive, yet consistent The resulting balance importance consistency legitimacy, demonstrating divergence not necessarily result inconsistency, nor comes as choice contextualise narratives appropriate scale.