asylum seekers Challenges Citizen engagement citizen engagment citizen participation citizens survey Civic action CivicTech collect citizen opinions Decision-making Effective participation environmental governance Feedback Frameworks future mobility system Good governance GovTech Hierarchy of participation human rights IAP2 Spectrum inclusion International conventions Ladder of Citizen Participation local government local municipalities metropolitan area of Barcelona mobility moral integration Motivation Online engagement Public participation public transport reduced inequalities refugees safe and resilient cities sdg 10 SDGs smart mobility social exclusion social inclusion Sustainable development sustainable development goals sustainable transportation system women Youth Engagement