Whether it is the stranding of tens of thousands of migrant workers at the Libyan-Tunisian border, or the large-scale displacement triggered by floods in Pakistan and Colombia, hardly a week goes by in which humanitarian crises have not precipitated human movement. While some people move internally, others internationally, some temporarily and others permanently, there are also those who become "trapped" in place, unable to move to greater safety. Responses to these "crisis migrations" are varied and inadequate. Only a fraction of "crisis migrants" are protected by existing international,...

Whether it is the stranding of tens of thousands of migrant workers at the Libyan-Tunisian border, or the large-scale displacement triggered by floods in Pakistan and Colombia, hardly a week goes by in which humanitarian crises have not precipitated human movement. While some people move internally, others internationally, some temporarily and others permanently, there are also those who become "trapped" in place, unable to move to greater safety. Responses to these "crisis migrations" are varied and inadequate. Only a fraction of "crisis migrants" are protected by existing international,...