> https://climatereanalyzer.org/research_tools/monthly_tseries...

It can also be clearly seen that the 2020 limit on the sulphur content in the fuel oil used on board ships [1] had quite the negative effects when it comes to surface sea temperatures, but I haven't that many climate (and not only) scientists taking responsibility of that act (even though related warnings had been made, I remember reading one just before the measure went in effect).

[1] https://www.imo.org/en/mediacentre/hottopics/pages/sulphur-2...