Pacific Ocean Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south and is bounded by Asia and Australia in the west and the Americas in the east. At in area (as defined with an Antarctic southern border), this largest division of the World Ocean—and, in turn, the hydrosphere—covers about 46% of Earth's water surface and about one-third of its total surface area, making it larger than all of Earth's land area combined. The centers of
Mid-Atlantic Regional Council on the Ocean (MARCO) for which we share responsibility remain healthy, resilient and productive for our children and theirs." Sarah Chasis, Senior Attorney and Director, Ocean Initiative, New York of the Natural Resources Defense Council noted in a blog posting that with the initiative "the Mid-Atlantic jumps to being a regional player on the ocean protection scene, on par with ecosystem-wide efforts by bodies like the West Coast Governors' Agreement." Mid-Atlantic Regional Council on the Ocean (MARCO) Mid-Atlantic Regional Council on the Ocean is a regional initiative by states in the Mid-Atlantic States region "to maintain and improve the health of our ocean and