Kellie Robertson is Professor of English and Comparative Literature at the University of Maryland. She is the author of Nature Speaks: Medieval Literature and Aristotelian Philosophy (University of Pennsylvania Press, 2017) and The Laborer’s Two Bodies: Labor and the ‘Work’ of the Text in Medieval Britain, 1350–1500 (Palgrave Macmillan, 2006). Her current book project, Yesterday’s Weather: Narrative and Premodern Climate Change, examines how medieval and early modern societies depict the shock of natural disaster. This paper, ‘Thinking the Unthinkable: Belief, Climate Change and Premodern Weather’ was delivered as part of a seminar series on ‘Belief’ at The University of Queensland in November 2017.