Infographic Incidence of Oil Spills Worldwide 1970 – 2015 Share Since the 1970s the number of oil spills 7 tonnes or more has decreased from a high of more than 120. Published March 22, 2018 | Last modified on September 6, 2023 You may also be interested in Infographic 2018 Public Opinion Poll: Canadians’ Attitudes Towards Marine Shipping – 3 Article The Polluter Pays Principle Report Tanker Safety Expert Panel II: Marine Casualty Management