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 were shaped by natural forces such as volcanic activity or asteroid collisions, the Anthropocene is characterized by anthropogenic markers, including radioactive isotopes from nuclear tests, plastic pollution, and elevated carbon dioxide levels. However, the formal recognition of this epoch remains contentious. Some scholars argue that the term should be reserved for a time when human activities fundamentally alter planetary processes, while others contend that human influence, though pervasive, has not yet reached the scale of a distinct geological boundary. This debate underscores the difficulty of categorizing our current era within a scientific framework designed for millions of years of natural history.