The concept of the 'Anthropocene' has gained considerable traction in geological and environmental circles, yet its formal recognition as a new geological epoch remains contentious. Proponents argue that human activities, particularly since the mid-20th century, have left indelible markers in the stratigraphic record, such as radioactive isotopes from nuclear tests and microplastics in sedimentary layers. Conversely, skeptics contend that the term 'epoch' implies a time scale far longer than the current human impact, and that the changes, while significant, may not yet meet the threshold of a distinct epoch. This debate underscores a deeper tension between scientific classification and the urgency of public discourse on climate change, where the label itself carries substantial political and social weight.
❓ アントロポセン（人新世）の正式な認定が議論される主な理由は何ですか？
A. 科学者たちは、地質学的記録に人間の影響が見られるかどうかについて意見が分かれている。
B. B) 人間が引き起こした変化は、新しい時代を構成するほど長く続かないかもしれないと主張する者もいる。
C. C) 「人新世」という用語は、科学的な使用には政治的に過度に帯びている。
D. D) 堆積層には人間活動の痕跡が見られない。
✅ 正确答案
B) Some argue the human-induced changes may not be long-lasting enough to constitute a new epoch.
IELTS Reading Tips
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