Living Green: Serving up Sustainable © Brian Skerry / National
Geographic Stock When making healthy dinner choices these days,
more and more people are turning to fish for a tasty,
nutritious, low-calorie meal. But when it comes to the ocean’s
health, there’s one species you should try your best to keep off
your plate: Atlantic bluefin tuna. It’s an item on many menus,
served as steak and in sushi. But bluefin has become so popular
conservationists worry that if stronger action isn’t taken,
these top-of-the-food-chain giants of the sea—weighing up to
1,400 pounds—might soon disappear. The latest assessment by the
National Marine Fisheries Service confirmed that both the
western and eastern Atlantic bluefin populations have been
commercially fished below sustainable levels. In fact, in the
western Atlantic, the population has plummeted a staggering 90
percent since the 1970s, according to the International
Commission for the Conservation of Atlantic Tunas. And in
another blow, last summer’s BP Deepwater Horizo