雅思阅读

📖 Reading Passage

The concept of the 'Anthropocene' has gained traction among geologists and environmental scientists as a proposed 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 impacts, the Anthropocene is characterized by markers like plastic pollution, nuclear fallout, and elevated carbon dioxide levels. However, the formal recognition of this epoch has sparked debate. Some scholars argue that human influence, while pervasive, does not yet meet the strict criteria for a distinct geological time unit, which typically requires a clear and globally synchronous boundary in the rock record. Others contend that the rapid and unprecedented changes, such as mass species extinction and climate alteration, justify a new epoch, even if the markers are less traditional. This disagreement highlights a broader tension between geological precision and the urgency of communicating human-driven environmental change to the public and policymakers.