Editorial Part One: Humanity on the Move The Century of Cities: Pathways Towards Sustainability 13 DIRK MESSNER Part Two: Theological Reflections on Urbanisation and its Challenges Christians as Troublemakers in the City: Initial Experiences and Visions on the Value of Christian Faith for Shaping Society 25 MARTIN EBNER Learning to Live a Life of Hospitality: Theological Foundations for Proclaiming the Faith in the Cultural Plurality of Big Cities 35 MARGIT ECKHOLT Transforming Our Cities: Public Role of Faith and Theology 45 FELIX WILFRED Part Three: Ethical Reflections on Urbanisation and its Challenges Cities and their Global Responsibility: Reflections on Social Ethics from a German Perspective 61 MICHELLE BECKA Faith and Religion in Globalized Megacities: A View from Manila 73 DANIEL FRANKLIN PILARIO Globalisation, Urbanisation, and the Common Good 85 LINDA HOGAN Part Four: The Praxis of Creating Humane Spaces Liberating Urban Development and the South African Church: A Critical Reflection in Conversation with David Korten and Gustavo Gutierrez 95 STEPHAN DE BEER The Contribution of Civil Society Organisations to Transformation: Consequences for the Work of NGOs - Misereor 103 GEORG STOLL Living with Dignity and Peace: Social Mobilization for Housing Rights and the Right to the City 109 LORENA Z