This book demonstrates that Mary Midgley's philosophy of evolution points the way towards considering the earth as our only true home, since we are products of this planet and its evolving and complex life along with every other organism. From the knowledge of ourselves as knowing animals with a biological as well as a cultural history, Midgley proposes the elaboration of an evolutionary epistemology that situates us firmly on the earth together with other creatures, while at the same time helping us to build knowledge of the world from the complexity of the human experience. I like to call this approach by a known theological analogy, a view "from below," that is, from the underside of the world, from the realms of nature and history. Such an approach does not begin by assuming conceptions of design or order in nature, a view that we term "from above," although it does not rule out the possibility of teleological or metaphysical constructions of reality in the long run. This "down-to-earth" approach I consider essential for any philosophy or theology that wants to take evolutionary theory seriously while committed to a proper and non-dismissive assessment of religious views.

In the great tradition of authors who leave church but remain spiritual—such as Barbara Brown Taylor, Rob Bell—the author of Sacred Earth, Sacred Soul forges a new path toward a true spiritual home, embracing a deep connection to the natural world. The story of Adam and Eve’s fall from innocence in the Garden of Eden is a mythical account of humanity’s broken relationship with the divine, with Earth, and with themselves. In contrast, Celtic wisdom is built on a strong bond with Earth. In the prophetic figures that Newell draws from, the Garden of Eden represents the inner garden of our souls and the outer garden of Earth, which are seen as essentially one. To live in relation to what is deepest in us is to live in relation to the ground from which we and all things have come. Where are we today, in relation to our true selves and the sacredness of Earth? And how are we to find our way home again? This life-affirming, nourishing book contemplates these questions at a moment of great spiritual awakening, an era characterized by religious exile on a vast scale. We need a new sense of home spiritually, deeply rooted within ourselves and in our shared journey with each other and Earth.