The biodiversity crisis should be a key issue within debates on global justice – but to date it has not been. This article aims to provide a stimulus to further engagement. First, it provides a brief introduction to the notion of a biodiversity crisis, and to its origins. Second, it distinguishes our various reasons for caring about the crisis. Third, it shows why the biodiversity crisis raises important – albeit hitherto neglected – issues of global justice. Fourth, it sketches some (...) of the most important questions scholars of global justice should be in a position to engage with, in order to move the debate forwards and help ensure that collective political responses to the crisis are just ones. (shrink)