By Jan Zalasiewicz, Colin Waters & Martin J. Head | Nature, Correspondence  As officers of the Anthropocene Working Group (AWG; J.Z. and C.W.) and chair of the Subcommission on Quaternary Stratigraphy (SQS; M.J.H.) of the International Commission on Stratigraphy (ICS), we note that the AWG has less power than Erle Ellis and colleagues imply (Nature 540, 192–193; 2016). Its role … Continue reading Anthropocene: its stratigraphic basis