Extraordinary progress in the past decade has brought 1.6 percent of the world's ocean to a category of 'strongly protected,' researchers say in a new analysis, but the accomplishments are still far behind those that have been achieved on land, and those that are urgently needed. International policy agreements call for protection of 10 percent of coastal and marine areas by 2020, while some conservation organizations and most scientists say 20-50 percent of ocean protection is needed....