The concept of the 'Anthropocene' has gained traction among geologists as a proposed new geological epoch defined by significant human impact on Earth's systems. Proponents argue that markers such as plastic pollution, radioactive fallout from nuclear tests, and elevated carbon dioxide levels provide clear stratigraphic evidence of a distinct boundary. However, critics contend that the term is more cultural than scientific, as human influence has been gradual and uneven across regions, complicating the identification of a single global start date. They suggest that formalizing the Anthropocene might oversimplify the complex interplay between natural and human forces, potentially undermining the precision required in geological classification. This debate highlights the tension between scientific rigor and the need to communicate urgent environmental concerns, raising questions about whether epochs should reflect planetary changes or societal narratives.
❓ 根据文章所述,一些学者反对将“人类世”正式确立为一个地质时代的主要原因是什么?
A. A. 人类的影响在全球范围内过于一致且同步,难以界定一个明确的界限。
B. B. 该术语未能体现人类影响的渐进性及区域差异性。
C. C. 关于岩石记录中塑料污染和放射性标记的证据不足。
D. D. 所提出的时代并未解决环境传播的紧迫性。
✅ 正确答案
B. The term fails to capture the gradual and regionally varying nature of human influence.