National Geographic
September 25, 2019
In 2014, scientists called for 30 percent of the world’s oceans to be protected by a network of MPAs by 2030, yet it already seems likely the world will fall short of the UN’s goal to protect 10 percent of oceans by 2020. Though the UN says we’re 8 percent of the way there, experts caution that only 2.2 percent of the world’s oceans are fully off limits to commercial activity, and only 4.8 percent is actively managed.