MARPOL is an international treaty designed to prevent pollution from ships. It was established by the International Maritime Organization (IMO) and covers various types of pollution, including oil, chemicals, sewage, and garbage. The treaty sets regulations that ships must follow to minimize their environmental impact while at sea. The full name of MARPOL is the International Convention for the Prevention of Pollution from Ships. It consists of several annexes, each addressing different pollution sources. By adhering to MARPOL regulations, countries aim to protect marine ecosystems and promote sustainable shipping practices worldwide.