The second edition of the Warsaw Energy Day – part of the European Sustainable Energy Week will be organized on May 31 in the Agrykola Park. This year’s topic will include the ideas of the future smart cities, where solutions for climate protection, sustainable energy, public transport and wastewater management and efforts to protect the environment are integrated and harmonious elements for quality of life of inhabitants. The program provides presentations of the latest solutions in the sector of energy including sustainable energy development and transport infrastructure, renewable energy and water and wastewater management (water treatment both as a valuable resource and as a source of energy) We encourage partners engaged in activities in above mentioned field, representing both the scientific and research sector, the business sectors, non – governmental organizations, as well as other of stakeholders to interact and join in the planned event.