Ethical choice and action in the built environment are complicated by the fact that moral agents often get stuck as they pursue their goals. A common way of getting stuck has its roots in human cognition: the failure of moral imagination, which shows most clearly when moral agents stand on either side of a sharp cultural divide, like the traditional divide between city and suburb. Being stuck is akin to bad moral luck: it is a situation beyond the control of (...) the moral agent for which that agent might nevertheless be held responsible. (shrink)