(Earth Focus: Episode 31) Our life depends on the oceans, and they're under threat. A new book The Atlas of Coasts and Oceans tells why. One out of three fish sold in the US may be mislabelled. It's called sea food fraud and a new campaign aims to stop it. Then, the film Bag It looks at how plastic kills marine life. And why vegetarian fish may be the future of seafood -- a look at research into plant based fish feed.moreless
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