The New Urban Agenda: From Vision to Policy and Action/Will the New Urban Agenda Have Any Positive Influence onGovernments and International Agencies?/Informality in the New Urban Agenda: From the Aspirational Policiesof Integration to a Politics of Constructive Engagement/Growing Up or Growing Despair? Prospects for Multi-Sector Progresson City Sustainability Under the NUA/Approaching Risk and Hazards in the New Urban Agenda: ACommentary/Follow-Up and Review of the New Urban Agenda