Stimuli for climate adaptation in cities: insights from Philadelphia – an early adapter

Purpose – The purpose of this paper is to identify stimuli for climate adaptation in cities and more specifically to explore whether different stimuli inspire different governance approaches to climate adaptation – e.g. dedicated (adaptation as a new policy field) or mainstreaming (integrating in existing policy fields). Design/methodology/approach – For this explorative case study research, an early adapter was selected: Philadelphia (USA). By reconstructing the organization of two climate adaptation programs, the authors have identified stimuli and whether these influence the city’s governance approach. The reconstruction is based on data triangulation that consists of semi-structured interviews with actors involved in these programs, policy documents and newspaper articles. Findings – The research illustrates the importance of stimuli such as strategically framing climate adaptation within wider urban agendas, political leadership and institutional entrepreneurs. Moreover, the research reveals that it is often a combination of stimuli that triggers a governance approach and that there is a possible link between specific stimuli and governance approaches, proposing that some stimuli will trigger a dedicated approach to climate adaptation, while others initiate a mainstreaming approach. Originality/value – An in-depth understanding of stimuli of climate adaptation is currently lacking in literature, as most of the studies have focused on barriers to climate adaptation. Moreover, still little is known about what explains why certain governance approaches to climate adaptation emerge.