Americans eat more fish than ever. We now gobble up more than two million tons of seafood a year compared to just half a million at the dawn of the 20th century. Not only are there more of us, we’re also eating more fish–globally.  

That’s led to a global collapse of many fisheries , such as cod in the North Atlantic. To help forestall this ecological catastrophe a variety of sustainable-seafood certification schemes have emerged. And the Monterey Bay Aquarium released its first seafood wallet card in 2000.  

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