Babes-Bolyai University, Faculty of Environmental Sciences and Engineering, Cluj-Napoca, Romania Energy Efficiency and Renewable Energy Agency “Ae3R Ploiesti-Prahova” Association 2Celsius Tulcea Municipality Danube Delta National Institute for Research and Development (DDNI) National Research and Development Institute for Soil Science, Agrochemistry and Environment Bucharest (ICPA) General Secretariat of the Goverment – Department of Sustainable Development Ministry of Environment, Waters and Forests National Institute for Research and Development in Construction, Urban Planning and Sustainable Spatial Development “URBAN-INCERC” Environ Association