雅思阅读

📖 Reading Passage

The concept of the 'Anthropocene' has gained traction among geologists and environmental scientists as a proposed new geological epoch defined by human impact on Earth's systems. While the Holocene, which began approximately 11,700 years ago, has been characterized by relatively stable climatic conditions that facilitated the development of agriculture and complex societies, proponents of the Anthropocene argue that the mid-20th century marked a profound shift. This period, often termed the 'Great Acceleration', witnessed exponential growth in population, industrialization, and resource consumption, leaving detectable markers such as radioactive isotopes from nuclear tests, plastic pollution, and elevated carbon dioxide levels. However, critics question whether such changes constitute a distinct geological boundary, noting that human influences have been incremental rather than abrupt, and that formalizing the Anthropocene may oversimplify the complex, diachronous nature of environmental transformation.