The document discusses how a circular economy approach can benefit cities by meeting key policy priorities around economic productivity, jobs, health and the environment. It states that cities generate over 85% of global GDP, consume over 75% of global resources, and produce over 50% of global greenhouse gas emissions and solid waste. Adopting circular economy principles in areas like urban planning, design, business models, and operations and maintenance can help cities become more thriving, liveable and resilient.