Lebenszyklen von Gebäuden TERRA Millennium III Foundation Universitatea Babeş-Bolyai, Cluj Napoca URBAN SURVEY Municipality of Cluj-Napoca (City hall) 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)