The concept of the 'Anthropocene' has gained significant traction in geological and environmental circles, referring to the current epoch in which human activities have become the dominant influence on the Earth's climate and ecosystems. While the term was popularized by atmospheric chemist Paul Crutzen in 2000, its formal recognition as a geological epoch remains contentious. Proponents argue that markers such as nuclear fallout, plastic pollution, and elevated carbon dioxide levels provide clear stratigraphic evidence. Critics, however, contend that the Anthropocene lacks a distinct and globally synchronous boundary, unlike the transitions between previous epochs. Moreover, some scholars suggest that framing the Anthropocene as a geological event, rather than an epoch, better captures its complex, multi-scalar nature. This debate underscores a broader tension between scientific classification and the need to communicate the urgency of environmental change.
❓ 根据文章内容,批评者反对正式将“人类世”认定为地质时代的一个关键论点是什么?
A. 该术语由一位非地质学家推广开来。
B. B) 没有明确且全球同步的边界来标志其开始。
C. C) 人类活动的影响不足以显著改变地质地层。
D. D) 该概念未能有效应对气候变化问题。
✅ 正确答案
B) There is no clear and globally synchronous boundary marking its start.