What are the two types of ship-sourced pollution?

The two main types of ship-sourced pollution are operational pollution and accidental pollution. Operational pollution arises from routine activities, such as the discharge of ballast water, bilge water, and sewage, as well as air emissions from engines. Accidental pollution, on the other hand, occurs during incidents like oil spills, cargo leaks, or collisions, leading to significant environmental damage. Both types pose serious threats to marine ecosystems and coastal communities.