The purpose of this paper is to lay the groundwork, and provoke others to dig it up, for the holistic understanding of the economic hopes and geophysical drivers behind the themes of green economy and degrowth. It first fights for the voice in which to frame the warning of global civilizational collapse, its physical and historic drivers and experiential instantiations. The paper surveys the opinions of scholars from environmental science, biology, history, leftist social theory and economics addressing the notion that the global civilisation as we know it is facing a collapse of human societies and practices sustaining it1. Whilst there are historical narratives that evoke hope for a technological overcoming of this problem, in the te...