Understanding how pasts resource presents is a fundamental first step towards building alternative futures in the Anthropocene. This collection brings together scholars from a range of disciplines to explore concepts of care, vulnerability, time, extinction, loss and inheritance across more-than-human worlds, connecting contemporary developments in the posthumanities with the field of critical heritage studies. Drawing on contributions from archaeology, anthropology, critical heritage studies, gender studies, geography, histories of science, media studies, philosophy, and science and technology studies, the book aims to place concepts of heritage at the centre of discussions of the Anthropocene and its associated climate and extinction crises - not as a nostalgic longing for how things were, but as a means of expanding collective imaginations and thinking critically and speculatively about the future and its alternatives.