Oil spills are more common and occur in many different ways. Thousands of oil spills occur every year. Most of these spills are small, for example when oil spills while refueling ships. But these spills can still cause damage, especially if they occur in sensitive environments, such as beaches, mangroves, and wetlands. Large oil spills are major, dangerous disasters. In this article we have looked over the number and quantity of oil spills around the world and the impact they had on ecosystem.