The concept of the 'Anthropocene' has gained traction among geologists and environmental scientists as a proposed new geological epoch defined by significant human impact on Earth's geology and ecosystems. Unlike previous epochs, which were shaped by natural forces such as volcanic activity or asteroid impacts, the Anthropocene is characterized by markers including plastic pollution, elevated carbon dioxide levels, and the global spread of radioactive isotopes from nuclear tests. However, the formal recognition of this epoch remains contentious. Some scholars argue that human-induced changes, while profound, have not yet produced a distinct stratigraphic signature comparable to those of earlier boundaries. Others contend that the rapid acceleration of industrialization since the mid-20th century, often termed the 'Great Acceleration', justifies a clear demarcation. This debate underscores the challenge of integrating human history into deep geological time scales, raising questions about how future geologists will interpret our current era.
❓ Según el pasaje, ¿cuál es la razón principal de la controversia en torno al reconocimiento formal del Antropoceno?
A. A. La ausencia de cualquier marcador geológico inducido por el ser humano.
B. B. El desacuerdo sobre si los cambios humanos han creado una firma estratigráfica distintiva.
C. C. La ausencia de isótopos radiactivos procedentes de pruebas nucleares.
D. D. El énfasis excesivo en las fuerzas naturales en épocas anteriores.
✅ 正确答案
B. The disagreement over whether human changes have created a distinct stratigraphic signature.
IELTS Reading Tips
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