雅思阅读

📖 Reading Passage

The concept of the 'Anthropocene' has gained traction among geologists and environmental scientists as a proposed new geological epoch defined by significant human impact on Earth's geology and ecosystems. Unlike previous epochs, which are identified by natural stratigraphic markers such as ice cores or rock layers, the Anthropocene is marked by anthropogenic signals including nuclear fallout, plastic pollution, and elevated carbon dioxide levels. However, the formal recognition of this epoch remains contentious. Critics argue that human influence, while profound, does not yet constitute a distinct geological boundary, as it lacks a clear and globally synchronous marker in the stratigraphic record. Proponents counter that the rapid acceleration of these human-induced changes since the mid-20th century, known as the 'Great Acceleration', provides compelling evidence for a new epoch. This debate highlights the complex interplay between scientific classification and human agency in shaping planetary history.