The area is home to “50 per cent of ecotype-C killer whales (also known as the Ross Sea orca), 40 per cent of Adélie penguins, and 25 per cent of emperor penguins,” is mentioned, between other facts, in the document. The protected area is about 600,000 square miles. “Today’s announcement shows that Antarctica continues to be a place for peace and bridge building, a place where we can find common ground. My hope is that what has been achieved here, can be used to foster dialog and cooperation in other parts of the world,” the U.N. Environment’s Patron of the Oceans Lewis Pugh says today in a statement. U.S. Secretary of State John Kerry called the agreement as an “extraordinary progress” that “didn’t happen by accident.” The agreement will come into force in December.