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Greenhouse gas reduction, development of renewable energy sources, and energy efficiency represent the main supports of sustainable development. There is a growing interest for the quantification of corporate level carbon footprints as a result of the international climate policy and emerging consumer awareness. First objective of this study mentions to environmental effects of harbours and ports. What kind of waste is given by ships, amount of wastes, their disposal processes are studied. The second objective of this work is to calculate the carbon footprint of the port that is located in the city centre based on emission sources of ships. The inventory analysis mainly uses primary data collected from the port. The number of ships coming to the port and their types of engines and amount of fuels were taken into account in the calculation of the carbon footprint. Every type of engine has different operation modes. The results of this study show that the port has a carbon footprint 65043 tonnes CO2 equivalent per year.