Last week, TradeWinds' sister title IntraFish reported on an approach to decarbonisation that must have inspired frustration in any shipowner who was paying ­attention.

A Faroese salmon farmer, Hiddenfjord, told Intra­Fish that it had found a simple way to slash its carbon emissions: putting fish on ships as opposed to planes.

And here we are speaking of conventional ships, burning diesel fuel oil and pumping carbon as ocean shipping will be doing for a long while yet.