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. Proponents argue that markers such as plastic pollution, nuclear fallout, and accelerated species extinction clearly distinguish this period from the Holocene, which began about 11,700 years ago. However, critics contend that the term is more cultural than scientific, as the human footprint is not uniform across time or space, and formalizing it may oversimplify complex natural processes. This debate underscores the challenge of integrating human agency into geological classification systems that traditionally rely on natural, stratigraphic evidence.
❓ 根据文章所述,一些科学家反对将“人类世”正式确立为一个地质时代的主要原因是什么?
A. A. 人类影响的证据过于稀少,难以衡量。
B. B. 这一概念依赖于文化标志,而非一致的自然证据。
C. C. 全新世已经结束,无法进行比较。
D. D. 人类活动尚未对环境造成显著变化。
✅ 正确答案
B. The concept relies on cultural markers rather than consistent natural evidence.