French Polynesia announced the creation of the world’s largest Marine Protected Area (MPA), at the U.N. Ocean Conference in France on Monday. The MPA will cover the entirety of the country's exclusive economic zone (EEZ), almost 5 million square kilometers (more than 1.9 million square miles) and will restrict extractive practices like deep-sea mining and bottom-trawling, a destructive type of fishing that drags large nets along the seafloor. Of that 5 million, 1.1 million square kilometers (