The concept of the 'Anthropocene' has gained considerable traction in geological and environmental circles, positing that human activity has become the dominant influence on the Earth's geology and ecosystems. Unlike previous geological epochs, which were defined by natural processes such as volcanic eruptions or asteroid impacts, the Anthropocene is characterized by anthropogenic markers, including radioactive isotopes from nuclear tests, plastic pollution, and elevated carbon dioxide levels. However, the formal recognition of this epoch remains contentious. Some scholars argue that the evidence is overwhelming, while others contend that the term is more cultural than scientific, and that the geological timescale should remain based on natural, not human-induced, phenomena. This debate highlights a fundamental tension between scientific classification and societal narratives about human impact.
❓ 关于正式承认“人类世”的争议,主要原因是什么?
A. 人类影响的证据尚不充分。
B. B) 目前尚不清楚人类活动是否已经改变了全球生态系统。
C. C) 有些人认为分类应仅基于自然过程。
D. D) 该术语过于新近,不足以被视为一个地质时代。
✅ 正确答案
C) Some believe the classification should be based on natural processes only.