How the truth about supermarket salmon is being hidden – video

Salmon is often marketed as the sustainable, healthy and eco-friendly protein choice. But what you may not realise is that most of the salmon you buy is farmed, especially if you live in the UK, because Scottish salmon producers are no longer required to tell you. Josh Toussaint-Strauss finds out why it is important for consumers to know where their salmon comes from, and examines the gap between the marketing of farmed salmon and the reality for our health, the environmental and animal welfareS