Section 1 Strategies and tools for green planning of cities and communities 2 -- Energy and environmental planning strategy: a complex framework 3 -- Methodologies and tools for green energy planning 4 -- Covenant of Majors and SEAPs 5 -- Risk assessment and disaster recovery: the contribution of green planning 6 -- Circular economy in energy planning 7 -- Using International Standard for planning and manage energy and sustainability in cities. Section 2 Energy efficiency and sustainability in city planning 8 -- Methodologies and tools for the evaluation of energy efficiency at the urban scale 9 -- Defining the energy retrofit strategies 10 -- The role of renewable energy sources in urban planning 11 -- Evaluation of the energy retrofit potentials 12 -- A Multi-Criteria approach to support Public Administration on energy planning. Section 3 Sustainable mobility for cities and communities 13 -- Sustainable mobility action plan: concepts e strategies 14 -- The infrastructures for electric mobility 15 -- The interconnection nodes for sustainable mobility. Section 4 Rating systems for green planning of cities and communities 16 -- How to measure and monitor sustainability in cities 17 -- Rating systems for buildings 18 -- Rating systems for cities and neighbourhoods 19 -- Rating systems for infrastructures. Section 5 The "smart city" approach to improve urban-scale sustainability 20 -- What is a smart city: definitions and strategies 21 -- Technologies and services for the smart city 22 -- Rating systems and indicators for the evaluation of the city smartness 23 -- Conclusions, Appendix.