雅思阅读

📖 Reading Passage

The concept of the 'Anthropocene' has gained traction among geologists as a proposed new geological epoch defined by significant human impact on Earth's geology and ecosystems. Unlike previous epochs, which were characterized by natural climatic shifts or biological events, the Anthropocene is marked by anthropogenic factors such as nuclear fallout, plastic pollution, and elevated carbon dioxide levels. Proponents argue that these markers are distinct and globally synchronous, justifying a formal boundary. However, critics contend that the term lacks precision, as human impacts have been gradual and uneven across regions, making a single start date problematic. They suggest that 'Anthropocene' is more a cultural or historical label than a rigorous geological unit. This debate highlights a tension between scientific classification and societal narrative, raising questions about how we define our current era.