The concept of the 'Anthropocene' has gained significant traction in geological and environmental discourse, proposing that human activity has become a dominant force shaping Earth's systems. 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 of a distinct human-driven era. However, critics within the geological community contend that the Anthropocene does not meet the strict criteria for an epoch, which traditionally requires a clear boundary in rock strata and a global synchrony. They suggest that human impacts, though profound, are diachronous, occurring at different times across regions, thus complicating a single, unified geological definition. This debate underscores a deeper tension between the long timescales of geological classification and the rapid, uneven pace of anthropogenic change.
❓ 一些地质学家反对正式将“人类世”认定为新的地质时代的主要原因是什么?
A. A. 人类活动的影响尚不足以改变地球系统。
B. B. 岩石地层中未发现人类活动的标志。
C. C. 人类引起的变化并非在全球范围内同时发生。
D. D. 这一概念是由一位大气化学家提出的,而非地质学家。
✅ 正确答案
C. Human-induced changes did not occur simultaneously across the globe.