The concept of the 'Anthropocene' has gained significant traction in geological and environmental circles, referring to the current epoch in which human activity has become the dominant influence on climate and the environment. While the term was popularized by atmospheric chemist Paul Crutzen in 2000, its formal recognition as a geological epoch remains contentious. Proponents argue that unmistakable markers, such as radioactive isotopes from nuclear tests and ubiquitous microplastics, justify a distinct boundary. Critics, however, contend that these signals are too diffuse and temporally inconsistent to meet the rigorous criteria of the geologic time scale. Moreover, the debate extends beyond stratigraphy to philosophical questions about humanity's role in shaping Earth's future, highlighting a profound shift in how we perceive our species' impact.
❓ 一些专家反对将“人类世”正式定为地质时代的主要原因是什么?
A. A. 因为人类的影响尚未在地质记录中显现出来。
B. B. 因为提议的标记过于分散且随时间变化。
C. C. 因为保罗·克鲁岑缺乏提出这一提议的科学权威。
D. D. 因为该术语过于侧重哲学而非科学。
✅ 正确答案
B. Because the proposed markers are too scattered and vary over time.