This course provides state of the art on maritime best practices to environmental defence at sea. During the course will be discussed all the following topics: Aerial Observation of Marine Oil Spills, Fate of Marine Oil Spills, Use of Booms, Dispersants and Skimmers in Oil Pollution Response, Use of Sorbent Materials in Oil spill Response, Recognition and clean up of Oil on Shorelines, Leadership Command and Management of Marine Oil Spills, Effects of Oil Pollution on Social and Economic Activities, on the Marine Environment, Sampling and Monitoring of Marine Oil Spills, Contingency Planning for Marine Oil Spills, Response to Marine Chemical Incidents.