<http://schema.org/about>
"Today, with oceanic resources more threatened than ever, the world is far from a global system of marine protected areas (MPAs). Although coverage has doubled since 2010, just 2.8 percent of the ocean surface is now in designated MPAs. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/ocean-conservation/less-3-percent-oceans-marine-parks-despite-recent-growth.html>