雅思阅读

📖 Reading Passage

The concept of the 'Anthropocene' has gained considerable traction in geological and environmental circles, though its formal recognition as a new epoch remains contentious. Proponents argue that human activities, particularly since the mid-20th century, have left a distinct and permanent marker in the stratigraphic record, such as radioactive isotopes from nuclear tests and microplastics in sedimentary layers. Conversely, critics contend that geological time scales are far too vast for such a recent and relatively thin layer to warrant a separate epoch, suggesting instead that these changes might be better classified as a 'geological event' within the Holocene. This debate underscores a fundamental tension between the precise, empirical standards of stratigraphy and the broader, more urgent narrative of human impact on Earth's systems.