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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 approach 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, high upfront investment costs, and the need for substantial changes in consumer behavior. Moreover, without robust policy frameworks and international cooperation, the scalability of circular initiatives remains uncertain. Thus, while the circular economy presents a promising vision, its practical implementation requires a nuanced understanding of economic, social, and environmental trade-offs.