Global urban populations have been increasing, and this growth is expected to continue surpassing 6 billion urban inhabitants by 2045. The number of megacities where the population exceeds 10 million inhabitants is also increasing. Urban Development and Megacities is an inter-disciplinary journal dedicated to answer the question of how can cities and megacities grow while ensuring high livability amongst its citizens. This journal will publish significant original research, analysis, opinions, commentaries, case studies and review articles to address challenges and opportunities in promoting sustainable city development. Under a broad spectrum of topics, the journal will provide special attention to: Urban energy and infrastructure Urban planning and design Urban governance, policy and economics Smart urban technologies Integrating nature into the urban environment Urban systems modeling   Urban Development and Megacities aims to connect theory and practice, sharing innovative thoughts and experiences from policy-makers, academics, and industry professionals, and will be highly relevant for those involved with city governance and development.