This book investigates the ethical and theological implications of the Gaia hypothesis, questioning the anthropocentric assumption that the Earth exists solely for human exploitation. Anne Primavesi, a scholar in ecological theology, builds upon the scientific framework established by James Lovelock to argue for a fundamental shift in human self-perception. By synthesizing historical scientific revolutions with contemporary environmental concerns, she posits that humanity must transition from a position of perceived dominion to one of radical dependence on the Earth's life-sustaining systems. The text serves as a critique of traditional theological frameworks that have historically justified the depletion of natural resources.

Experts in ecological theology frequently cite this work as a significant contribution to the dialogue between scientific environmentalism and religious ethics. Readers often note the academic density of the prose, which requires a foundational understanding of both evolutionary biology and systematic theology to fully grasp the author's arguments.