The problem with buying fish

This is a great blog post by a writer named Cathy Erway. In it she explains that the fish you are buying at grocery stores and restaurants may be a bad choice for a variety of reasons. Catch methods, overfishing and all sorts of things to consider. And fish farming is not the answer either unfortunately:

http://www.huffingtonpost.com/cathy-erway/the-pescatores-dilemma_b_246373.html