The concept of the 'Anthropocene' has gained significant traction in recent decades, positing that human activities have become the dominant force shaping Earth's geology and ecosystems. While the term was popularized by atmospheric chemist Paul Crutzen in 2000, its formal recognition as a geological epoch remains debated among scientists. Proponents argue that markers such as nuclear fallout, plastic pollution, and elevated carbon dioxide levels provide clear stratigraphic evidence of a distinct human-driven era. However, skeptics contend that these signals are too variable and recent to meet the strict criteria for a geological time unit, which typically spans thousands or millions of years. This debate underscores a deeper tension between scientific classification and the urgency of addressing human impact on the planet.
❓ According to the passage, what is the main reason why some scientists oppose the formal recognition of the Anthropocene as a geological epoch?
A. A. Human activities have not caused any permanent changes to the environment.
B. B. The evidence of human impact is too inconsistent and short-term to fit geological standards.
C. C. The term was popularized by a single scientist without sufficient peer review.
D. D. Nuclear fallout and plastic pollution are not detectable in geological records.
✅ 正确答案
B. The evidence of human impact is too inconsistent and short-term to fit geological standards.
IELTS Reading Tips
Skim the questions first, underline keywords, then locate in the passage
Watch for paraphrasing; correct answers are often reworded
Be wary of absolute statements (all, always, never) — usually wrong
Pay attention to content after transition words (however, but, yet)
Manage time: about 20 minutes per passage; skip difficult questions first