![](https://mcusercontent.com/06e94f851b48e127220db7c1f/images/050182a2-d348-36b4-1dd3-dc2c9aafff11.png)
The methodology distinguishes between three main phases that reflect the maturity level of cities and regions with respect to their circular solutions. These are: map the territory and understand its metabolism; design the circular systemic solution; and implement the circular systemic solution. The document also showcases a list of Circular Systemic Solutions implemented in Europe that can serve as a source of inspiration for cities and regions that have just started their circular transition.