POV: WHAT IS MARPOL CONVENTION! The International Convention for the Prevention of Pollution from Ships (MARPOL) is the main international convention aimed at preventing pollution of the marine environment from ships. Adopted by the International Maritime Organization (IMO), it works by regulating the discharge of harmful substances from ships, including oil, noxious liquids, harmful substances in packaged form, sewage, and garbage. MARPOL is divided into six Annexes that address these different