The concept of 'circular economy' has gained significant traction in recent years as a sustainable alternative to the traditional linear model of 'take-make-dispose'. Unlike linear systems, which prioritize throughput and often externalize environmental costs, a circular economy emphasizes the continuous use of resources through practices such as recycling, remanufacturing, and product-life extension. Proponents argue that this shift not only reduces waste and resource depletion but also fosters innovation in design and business models. However, critics point out that the transition is fraught with challenges, including technological limitations in material recovery, economic barriers to scaling up, and the rebound effect, where efficiency gains lead to increased consumption. Furthermore, the global nature of supply chains complicates the implementation of circular principles, as waste is often exported to developing nations with less stringent regulations. Thus, while the circular economy offers a promising vision, its realization requires systemic changes in policy, infrastructure, and consumer behavior.
❓ Según el pasaje, ¿cuál de las siguientes opciones es un desafío importante para la implementación de una economía circular?
A. A) La falta de interés de los consumidores en productos sostenibles.
B. B) La dificultad para recuperar materiales a un nivel de alta calidad.
C. C) El costo excesivo de los modelos de producción lineales.
D. D) La simplicidad de la gestión de la cadena de suministro global.
✅ 正确答案
B) The difficulty in recovering materials at a high quality level.
IELTS Reading Tips
Skim the questions first, underline keywords, then locate in the passage
Watch for paraphrasing; correct answers are often reworded
Be wary of absolute statements (all, always, never) — usually wrong
Pay attention to content after transition words (however, but, yet)
Manage time: about 20 minutes per passage; skip difficult questions first