A New Approach to Power Consumption Reduction of Street Lighting Topics: Algorithms for Reduced Power, Energy and Heat; Case Studies and Innovative Applications for Smart(Er) Cities; Energy Profiling and Measurement; Greener Systems Planning and Design; Optimization Techniques for Efficient Energy Consumption In Proceedings of the 4th International Conference on Smart Cities and Green ICT Systems SMARTGREENS - Volume 1, 283-287, 2015 , Lisbon, Portugal