SURETTE: Open-pen fish farming a mess: How the world is passing us by

There’s big stuff happening in the dirty world of open-pen salmon farming. World production of farmed salmon is declining and prices are rising accordingly. The main culprit is sea lice grown immune to the chemicals used to wash them off, helped by algae blooms, fish disease, pollution, damaged wild stocks, and finally political disgust with the whole mess in the more enlightened jurisdictions. The move now, worldwide, is to either haul production to dry land or otherwise insulate the at-sea operations from the surrounding environment,,, >click to read< 18:28