雅思阅读

📖 Reading Passage

The concept of 'environmental debt' has gained traction in ecological economics as a framework for quantifying the cumulative burden that human activities impose on natural systems. Unlike financial debt, which is typically settled through monetary repayment, environmental debt is characterized by irreversible degradation, such as biodiversity loss or soil depletion, that cannot be fully remediated. Researchers argue that this asymmetry arises because ecological thresholds are often crossed before the full consequences are understood, leading to nonlinear and potentially catastrophic shifts. Consequently, some economists advocate for integrating environmental debt into national accounting systems, proposing that gross domestic product should be adjusted to reflect the depletion of natural capital. However, critics contend that such adjustments are fraught with valuation challenges, as assigning monetary worth to ecosystem services remains inherently subjective. Nevertheless, the discourse underscores a growing recognition that economic growth, if pursued without ecological constraints, may ultimately undermine the very foundations it depends on.