Publishing in Ambio and elsewhere, geoscientists distributed across several disciplines have both created and substantiated the Anthropocene concept since the turn of the millennium. Epochal and topically encompassing, the concept has served to focus academic and political attention on the extraordinary scale, scope and magnitude of the human impact on the Earth. The concept serves as a metaphorical 'roof' that allows a family of geoscientific terms to reside together harmoniously in the same space. The four Ambio papers evaluated here helped to both build the roof and the family. However, for all their merits, the papers form part of a wider scientific discourse that threatens to colonise the imagination of Earth present and future. A scie...