Possible Effects of Farmed Salmon on Humans and the Environment

This article from consumerreports.org points out many flaws in raising farmed salmon and how the feed for the farmed salmon is bad for the environment because of the chemicals, and how the salmon itself could be harmful for humans.

http://www.consumerreports.org/cro/food/food-safety/animal-feed-and-food/animal-feed-and-the-food-supply-105/seafood-farmed-vs-wild/