@Bolanghoy 8 November 2021 more from that month

A little knowledge to know that i found. “Emissions from cruise ships can equal the equivalent of one million cars per day, and air quality on deck can be worse than in the world's most polluted cities. In 2017, Carnival Corporation (the world's biggest operator of luxury cruises) emitted more sulphur dioxide around Europe's coasts than all of Europe's cars put together and multiplied by ten.