The concept of the 'Anthropocene' has gained significant traction in geological and environmental circles as a proposed new epoch defined by humanity's profound impact on Earth's systems. Proponents argue that markers such as radioactive isotopes from nuclear tests, plastic pollution, and elevated carbon dioxide levels provide clear stratigraphic evidence of a distinct boundary. However, critics contend that the term oversimplifies complex, asynchronous human influences across different regions and times, and that formalizing it may distract from the urgent, ongoing dialogue about climate policy. The debate thus transcends mere geological classification, reflecting deeper tensions between scientific taxonomy and societal responsibility. Ultimately, whether the Anthropocene is officially adopted hinges not only on stratigraphic data but also on how we conceptualize our role in shaping the planet's future.
❓ この文章によると、人新世（Anthropocene）の時代区分に関する主な論争点は何ですか？
A. 地質学者たちは、堆積物中に見られる放射性同位体の正確なレベルについて意見が一致していない。
B. この用語は、人間の環境への影響が一様ではなく多様であるという性質を曖昧にし、政策行動から焦点をそらす可能性がある。
C. プラスチック汚染は地質時代の境界を示す信頼できる指標ではない。
D. この提案は、新たな時代と見なすには十分な層序学的証拠を欠いている。
✅ 正确答案
The term may obscure the uneven and varied nature of human environmental impact and shift focus from policy action.
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