Subject(s): Urbanization in Environmental aspects in Developing countries. -- Sustainable development in Developing countries. -- Urbanization in Economic aspects in Developing countries -- Ecological Cities as Economical Cities -- Benefits of Urban Sustainability -- Eco² cities Initiative: principles and Pathways -- A City-based Approach -- An Expanded Platform for Collaborative Design and Decision Making -- A One-System Approach -- An Investment Framework That Values Sustainability and Resilience -- Knowledge Sharing, Technical Assistance and Capacity Building Financial Resources -- A City-Based Decision Support System -- Methods for Collaborative Design and Decision Making -- Methods for Analysing Flows and Forms -- Meta Diagrams and Material Flow Analysis -- Effective Overlay mapping -- Methods of Investment Planning -- Life-Cycle Costing -- Environmental Accounting -- Foresight Workshops and Resiliency Planning -- Field reference Guide -- Case Studies from Brazil, Sweden, Singapore, Japan, Australia, New Zealand -- Eco² Sector Notes : Cities and Energy, Water, Transport, Solid Waste -- Managing the Spatial Structure of Cities -- World bank Group's Financial Instrument and Multidonor Funds