Original sentence: Amoco Cadiz, , Erika, Exxon Valdez, Prestige and  were examples of accidents.Oil spills from tankers amounted to around 1,000 tonnes in 2020 from three incidents (an all-time low), down from 636,000 tonnes from 92 incidents in 1979 - a fall of 99.8%.Tighter regulation means that tankers now cause fewer environmental disasters resulting from oil spills than in the 1970s
Edited sentence: Amoco Cadiz, , Erika, Exxon Valdez, Prestige and  were examples of coastal accidents.Despite being highly regulated, tankers have been involved in environmental disasters resulting from oil spills