The concept of the 'Anthropocene' has gained significant traction among geologists and environmental scientists, referring to the current geological epoch in which human activity has become the dominant influence on climate and the environment. While the term was popularized in the early 2000s by Nobel laureate Paul Crutzen, its formal adoption as a geological epoch remains contentious. Critics argue that the markers of human impact, such as nuclear fallout and plastic pollution, are not yet sufficient to define a clear boundary in the stratigraphic record. Proponents, however, contend that the scale and irreversibility of human-induced changes, including biodiversity loss and altered nitrogen cycles, warrant a distinct classification. This debate underscores a deeper tension between scientific precision and the need to communicate the urgency of environmental crises.
❓ What is the main reason for the controversy surrounding the formal adoption of the Anthropocene as a geological epoch?
A. A. The term was popularized by a non-geologist, Paul Crutzen.
B. B. Some scientists believe human impact is not yet clearly visible in rock layers.
C. C. The concept is not widely accepted among environmental scientists.
D. D. There is no evidence of biodiversity loss or altered nitrogen cycles.
✅ 正确答案
B. Some scientists believe human impact is not yet clearly visible in rock layers.
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