He is the author of the following recent monographs in the field of ecological theology: Hope for the Earth: Vistas on a new Century (UWC, 2000 / Wipf & Stock 2005), An Ecological Christian Anthropology: At Home on Earth? (Ashgate, 2005), and Waar op dees aarde vind mens God? Op soek na’n aardse spiritualiteit (Lux Verbi.BM, 2006). Order Now