雅思阅读

📖 Reading Passage

The concept of 'environmental carrying capacity' has long been central to ecological theory, yet its application to human societies remains contentious. Unlike non-human populations, human societies can modify their environment through technology and trade, potentially raising their carrying capacity. However, such modifications often generate unforeseen consequences, such as resource depletion and pollution, which may undermine long-term sustainability. Recent studies suggest that while technological innovation can temporarily alleviate pressure on natural systems, it does not eliminate the fundamental limits imposed by finite planetary resources. This has led some scholars to argue for a 'social carrying capacity' that incorporates not only biophysical constraints but also cultural and economic factors influencing consumption patterns. Critics, however, contend that this concept is too vague to be empirically tested, and that focusing on limits may discourage necessary technological optimism. The debate reflects a broader tension between environmental determinism and human agency in sustainability discourse.