The evidence that we face a catalogue of environmental crises caused by human activities, which pose a threat to planetary, social and personal continuity, is communicated in increasingly sophisticated ways. Despite increased knowledge, the populaces of wealthy nations appear to be outwardly ignoring such risks, continuing their consumption patterns unabated, and failing to mount a significant public response. Interventions aimed at encouraging more sustainable behaviours have largely drawn on individualistic psychology, and to date they have been largely unsuccessful. This paper is a call to deepen and widen our understanding of the psychosocial processes involved in not responding to the issues at stake. It does so by drawing on narrative approaches in the social sciences, psychoanalytic conceptualisations of defence mechanisms, and recent work addressing the social organisation of denial. The potential of these developments for informing social movements and political action is briefly considered in the light of an example, the Dark Mountain Project.The image that keeps coming to my mind is a nightmarish one inspired by Edgar Allen Poe. We are all in a room with four walls, a floor, a ceiling and no windows or door. The room is furnished and some of us are sitting comfortably, others most definitely are not. The walls are advancing inwards gradually … making us all more uncomfortable, advancing all the time, threatening to crush us to death. There are discussions within the room, but they are mostly about how to arrange the furniture. People do not seem to see the walls advancing … As the walls grow closer, people react in different ways. Some refuse absolutely