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Water-sensitive urban planning – How can heavy rain and storm water be better managed?
2023 - Results of the Connective Cities dialogue event from 6 to 8 December 2022 in Cologne in cooperation with Stadtentwässerungsbetriebe Köln (StEB Köln) and United Cities and Local Governments (UCLG)
Used Vehicles and the Environment
2020 - A Global Overview of Used Light Duty Vehicles: Flow, Scale and Regulation