The concept of the 'Anthropocene' has gained traction among geologists as a proposed new geological epoch defined by humanity's profound impact on Earth's systems. Unlike previous epochs, which were delineated by natural climatic shifts or biological events, the Anthropocene is characterized by markers such as nuclear fallout, plastic pollution, and elevated carbon dioxide levels. However, the proposal remains contentious. Some scientists argue that the term should be formalized to reflect the scale of human-induced change, while others contend that the changes are not yet synchronous across the globe, failing to meet the strict criteria of a geological time unit. This debate underscores a deeper tension between scientific classification and the recognition of human agency in shaping planetary history.
❓ 根据这篇文章，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. 用于定义它的标记并未得到普遍认同。
B. B. 人类引起的变化并非在全球同时发生。
C. C. 核沉降物和塑料污染出现的时间太短，尚无法进行研究。
D. D. 这一概念忽视了先前地质时期自然气候的变化。
✅ 正确答案
B. Human-induced changes are not occurring simultaneously worldwide.