Smart cities: Smart initiatives by major cities, impacts, technological and social innovations

Major cities and the environment: The impact that major cities have on the environment, actions for reducing the environmental footprint, challenges and circular metropolitan economies

Inclusion and living together: Learning to live together, diverse populations, cultural differences, equality of men and women, access to employment and housing

Mobility and urban planning: New technologies, active mobility, public transportation, architecture, urban design and social acceptability

Economic development, collaborative economy and circular economy: Economic development issues and strategies, innovation districts, tourism and design

Metropolitan leadership and governance: Major cities in international relationships, the different levels of governance, citizen involvement in decision-making processes, social acceptability and urban diplomacy