Faroe Islands salmon farmer Hiddenfjord is calling on the industry to stop air transport of its products altogether, which chief executive Atli Gregersen describes as unnecessary and avoidable.

"Fish shouldn't fly," he believes. So last year, Hiddenfjord turned to using ocean freight to curb its carbonfootprint, which Gregersen said had cut export emissions by 94% since last October.

In comparison, Faroese competitor Bakkafrost recently announced it had bought its own plane to fly its salmon to the US market, claiming it could cut emissions by 40% to 50%.