The Energy Efficiency & Renewables Smart Cities Exhibition & Conference will take place from March 11-13, 2015, in Sofia, Bulgaria, focusing on enhancing resource efficiency, energy security, and CO2 emissions reduction in South-East Europe. The event will feature technology transfers, showcases for innovative products, and discussions on legislation, market potential, and integrated solutions for sustainable urban development. Key topics include renewable energy, e-mobility, energy-efficient buildings, and the role of various sectors like agriculture, construction, and utilities in achieving environmental goals.