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Despite two decades of investment in climate change adaptation knowledge, planning and policy, the Australian policy and scientific community is now at an adaptation impasse, with effective, equitable and timely adaptation rare and negative impacts proliferating as a result. Drawing on Australia as an illustrative and globally relevant case study, we describe and diagnose the adaptation impasse using a novel four-part heuristic – Adaptation as Spectre, Signal, Social and Systems – to characterise adaptation knowledge and action and their evolution over time. We examine the relationship between these adaptation types and argue that an underlying political economy at odds with the demands of adapting to climate change is generating the adaptation impasse. We suggest that to overcome the impasse we need to transform adaptation into a science and practice that is imaginative, pluralist, and caring. • The Adaptation scientific and policy community is at an impasse. • This impasse can be explored through a 4-part heuristic: Spectre, Signal, Social, and Systems. • An underlying political economy at odds with the demands of adapting to climate change is the primary cause of this impasse. [ABSTRACT FROM AUTHOR]

Abstract: Analysis of the risks of sea-level rise favours conventionally measured metrics such as the area of land that may be subsumed, the numbers of properties at risk, and the capital values of assets at risk. Despite this, it is clear that there exist many less material but no less important values at risk from sea-level rise. This paper re-theorises these multifarious social values at risk from sea-level rise, by explaining their diverse nature, and grounding them in the everyday practices of people living in coastal places. It is informed by a review and analysis of research on social values from within the fields of social impact assessment, human geography, psychology, decision analysis, and climate change adaptation. From this we propose that it is the ‘lived values’ of coastal places that are most at risk from sea-level rise. We then offer a framework that groups these lived values into five types: those that are physiological in nature, and those that relate to issues of security, belonging, esteem, and self-actualisation. This framework of lived values at risk from sea-level rise can guide empirical research investigating the social impacts of sea-level rise, as well as the impacts of actions to adapt to sea-level rise. It also offers a basis for identifying the distribution of related social outcomes across populations exposed to sea-level rise or sea-level rise policies. [Copyright &y& Elsevier]