Global climate change is complex to address. It will require people to interact publicly as well as set policy, as a crucial part of addressing it. To date, skills for effective public interaction-where such interactions even exist-do not measure up to the demands of such global complexity. Hierarchical complexity is used to analyze common forms of public talk and interaction. Its premises are applied to approaches to conduct public discourse, including postformal approaches. The Scale of Public Interactions is introduced and indicates that Metasystematic stage approaches to climate change hold the most potential for addressing it.

In this paper we present a case of a structured, facilitated group process with a climate action group engaged in a local Transition initiative. We explore how the interacting contexts between action researchers and the group acted as a constraint for the trajectory of the group process, by looking at the mismatches between the group's and the researchers' purposes and differences in expectations about methods of engagement. A methodological framework was used for evaluating the outcomes. The primary aim of this article was to investigate and point out dynamics that may be a hindrance to the effectiveness of a facilitated local climate initiative, with the view to inform facilitation practices and improve future action research processes.

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