As part of its involvement in the ECESP, ACR+ has been recently appointed to lead one of the ECESP working group on circular cities, with the objective of increasing cooperation of ECESP coordination group members and other stakeholders on the topic of circular urban areas. Interconnections between cities and regions will also be addressed in that working group, which will involve other ECESP members like the European Environmental Bureau, Circular Change and Ecopreneur.