7 of the Dirtiest Seas in the World

Gulf of Mexico

Although I’ve been listing the seas in no particular order, the Gulf of Mexico is by far the dirtiest in the world. Most of the pollution in the sea is chemical. All the rivers of Cuba, Mexico, and (most importantly) the United States bring in their water into the Gulf of Mexico. And all of the pollution that’s in those rivers makes it into the sea as well. And then, as if all of this wasn’t enough, no sea in the world suffers from oil spills as much as the Gulf of Mexico does. And so — the Gulf of Mexico is the dirtiest sea in the world.

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