The concept of the 'Anthropocene' has gained traction among geologists as a proposed new geological epoch defined by significant human impact on Earth's systems. Proponents argue that markers such as plastic pollution, radioactive isotopes from nuclear tests, and elevated carbon dioxide levels are distinct enough to warrant a formal boundary in the stratigraphic record. However, critics contend that human-induced changes are diachronous, occurring at different times across the globe, which undermines the utility of a single, globally synchronous marker. This debate highlights a fundamental tension in geology between the need for precise chronological definitions and the recognition of complex, spatially variable environmental processes.