A vegan diet may be the single most effective way for individuals to minimize their environmental impact, but giving up meat is a huge challenge for many people. A pescatarian diet — that means eating fish and other seafood but no other meats — can be a practical step on the road to veganism or even a permanent middle ground between a harmful diet and one that’s hard to maintain. Fish is an easy, healthy protein source that can satisfy the meat craving without triggering (for some people) the same ethical concerns as eating mammals. Environmentally speaking, though, the impact of eating seafood can vary by quite a lot. Here’s how to make your seafood diet as eco-friendly as possible. Good According to Seafood Watch’s carbon emissions tool , crustaceans have the highest carbon footprint of all proteins, because so few are caught from each trip, and because they require so much bait. The Marine Stewardship Council (MSC) has a certification for these crustaceans, but none of the certified lobsters and only a few of the crabs get the green light from Seafood Watch. It’s usually good to avoid eating crustaceans. Farmed prawns are almost as damaging to the […]

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