This book offers an up-to-date examination of the nature and development of animal theology. It considers what animal theology is and how it challenges, and is challenged by, liberation and ecological theology. At the heart of the work is a critical engagement with the Brazilian ecotheologian Leonardo Boff. Clair Linzey addresses ideas that originate from the papal encyclical Laudato Si’ and considers how Pope Francis is developing an animal friendly tradition within Catholicism. Exploring new vistas in animal theology, this volume makes a valuable to contribution to debates on how religion should be concerned with animals and the environment. This book is essential reading for anyone who wants to know the current state of debate with animal theology and its effects on the wider Christian community.