The International Centre for Sustainable Development of Energy, Water and Environment Systems (SDEWES Centre) is a non-governmental and a non-profit scientific organization based in Zagreb, Croatia. It engages in specific R&D activities that address the problems common for the countries of the East and Southeast European and Mediterranean regions. Vision: Providing a platform for communication and exchange of ideas between scientist and researchers that promotes multidisciplinary approach to sustainability. Mission: Creating multidisciplinary research and development innovation teams and providing comprehensive R&D activities, assessment and consultation on the research subjects that represent the most important challenges of sustainable development. SDEWES Centre has almost 800 regular and supporting members from over 50 countries (6 continents). Its members are experts, professors, scientists, students and business people in the field of sustainable development of energy, water and environment systems. Activities - Organization of conferences, courses, summer schools etc. - Participation in projects in the field of sustainable development and providing consulting services and professional opinion on important issues of sustainability - Promotion of scientific publishing