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 delineated by natural climatic shifts or biological events, the Anthropocene is characterized by markers such as 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, is not yet comparable in duration to the vast timescales of geological time, and that the term oversimplifies the complex interplay between natural and anthropogenic forces. Proponents counter that the scale and permanence of human modifications, from altered sediment flows to mass species extinction, warrant a distinct classification. This debate underscores a deeper question: should geological nomenclature reflect not only physical evidence but also societal responsibility?
❓ 根据文章所述，批评者反对正式承认“人类世”的主要原因是什么？
A. 人类活动的影响过于近期且短暂，无法与地质时间尺度相匹配。
B. 该术语忽视了自然气候变迁的作用。
C. 关于人类引起的环境变化，证据不足。
D. 所提出的标记物并非全球分布。
✅ 正确答案
Human impact is too recent and brief to match geological timescales.