雅思阅读

📖 Reading Passage

The concept of 'environmental carrying capacity' has long been central to ecological studies, yet its application to human societies remains contentious. Unlike non-human populations, which are typically limited by resource availability and predation, human communities can artificially augment their environment's productivity through technological innovation and trade. However, such adaptations often incur hidden costs, such as increased energy consumption and waste production. Recent research suggests that while technological fixes may temporarily raise the ceiling of carrying capacity, they simultaneously create new vulnerabilities, particularly in the face of global climate change. Consequently, some scholars argue for a more nuanced definition that incorporates not only biophysical limits but also social resilience and adaptive capacity. This perspective challenges the assumption that human ingenuity can indefinitely outpace environmental constraints, urging policymakers to consider long-term sustainability over short-term gains.