雅思阅读

📖 Reading Passage

The concept of the 'Anthropocene' has gained traction among geologists as a proposed new geological epoch characterized by significant human impact on Earth's geology and ecosystems. Unlike previous epochs, which were defined by natural climatic shifts or biological events, the Anthropocene is marked by human-induced changes such as nuclear fallout, plastic pollution, and elevated carbon dioxide levels. However, the formal recognition of this epoch remains contentious. Some scientists argue that the markers of human activity, while distinct, do not yet meet the strict criteria for a new epoch, which typically requires a clear and global stratigraphic signature. Others contend that the unprecedented scale and permanence of human modifications necessitate a distinct epoch. This debate highlights a fundamental tension between geological precision and societal relevance, as the term has already permeated public discourse and policy-making, influencing how we perceive our role in shaping the planet's future.