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Cities must transform in order to address the challenge of climate change and to achieve societal ambitions such as the sustainable development goals. However, a key impediment to achieving transformation is underdeveloped understandings of how key actors and sectors within the built environment work together to achieve goals. This paper addresses these gaps by developing and visually presenting a process map to describe: the key processes involved in producing the built environment across its life stages; key sectors of the built environment, their key actors, and the activities coordinated between them. The process map was peer reviewed by an expert reference group of built environment professionals active in Australia and the UK. The motivation for developing this process map is to facilitate future research to identify and expedite opportunities for coordinated action to address significant societal challenges such as climate change action, and the sustainable development goals – which require transformative action in cities. • Cities must transform to address climate change • We develop a process map to describe the production of the built environment • Process map describes fundamental activities for producing the built environment • Process map spans built environment life stages; identifying activities and interactions of key sectors and actors • Can be applied to inform transformative action targeted at challenges such as climate change [ABSTRACT FROM AUTHOR]

Urbanisation continuously imposes pressure on coastal brownfield sites. At the same time, climate change and associated consequences on coastal environments make these sites less secure for human habitation. Converging stresses make the renewal process of these sites challenging, to the extent that they are often perceived as wicked problems. Several scholars suggest that temporary best solutions are identifiable to address wicked problems via an Adaptive , Participatory and Transdisciplinary (APT) approach. This paper operationalises the APT framework by evaluating the development of a strategic land-use framework for the transformation of a coastal brownfield site in southern Victoria, Australia. Policy and planning documents and in-depth interviews conducted with key stakeholders were analysed. Results show that the process incorporated elements of the APT approach by engaging with diverse stakeholder views during consultation and included community appraisal of alternative scenarios. However, the process fell short of being truly transdisciplinary or collaborative as it separated disciplinary inputs in decision-making. As a result, it did not appear to influence the final plan to achieve adaptive and responsive outcomes. We conclude that a uniquely placed-based and adaptive response can be created when all stakeholders deeply and effectively collaborate to develop shared understandings of the problem and co-create shared responses. We demonstrate that an integrated APT framework, one that focuses on synergies between A, P and T, can provide a useful tool for assessing the decision-making process of complex projects. Furthermore, our recommendations to advance APT can help directing future decision-making processes in similar projects with wicked problems. Unlabelled Image • Coastal brownfield transformations pose wicked challenges to decision makers. • An analytical framework for operationalising the Adaptive, Participatory, and Transdisciplinary (APT) approach was developed. • The APT framework was tested to evaluate a coastal brownfield transformation in Australia. • Suggestions were made for an integrated APT decision making approach. • For a uniquely placed-based and adaptive response, stakeholders should deeply collaborate to co-create shared responses. [ABSTRACT FROM AUTHOR]