The concept of 'circular economy' has gained traction as a sustainable alternative to the traditional linear model of 'take-make-dispose'. Unlike linear systems, which prioritize throughput and often externalize environmental costs, circular economies emphasize the continuous use of resources through 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 hindered by existing infrastructure, consumer behavior, and economic incentives that favor short-term profits. Furthermore, the effectiveness of circular strategies varies across industries, with complex products posing significant challenges for disassembly and material recovery. Thus, while the circular economy presents a promising framework, its implementation requires systemic changes beyond mere technological fixes.