Consumers are lost at sea as seafood sustainability grows more complex

What makes seafood sustainable? It used to be defined more simply. The emphasis was on not overfishing and on keeping the seabed and aquaculture healthy. It was about which sea creatures needed protection. These days, sustainability includes those things but also many other factors. Things like labor conditions, indigenous fishing rights and carbon footprints, among others. And also whether seafood scores better on those factors than alternatives like beef, chicken and pork. It's all pretty conf...