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ICLEI and Circle Economy have partnered up to initiate the go-to knowledge hub of case studies about the circular economy in cities. The Cities Collection is a repository of case studies that demonstrate the role of cities in the circular transition, and includes policies, business cases and research articles. Cases in the Collection flow into an ecosystem of digital products which support users in transitioning cities to circularity, for example the Circle Lab for Cities and ICLEI Circulars.

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