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The United Nations Environment Programme (UNEP) emphasizes the need for a comprehensive assessment of the environmental impacts of deep-sea mining, which targets polymetallic nodules at depths of 3–6.5 km (1.9–4.0 mi), polymetallic sulphides at 1–4 km (0.62–2.5 mi), and cobalt-rich ferromanganese crusts between <400 m and 3.5 km ...
In order to make this possible, several gameplay features had to be disabled. [10] The second variant, RFC RAND, was released on 28 July 2008. It is similar to regular Rhye's and Fall of Civilization but is played on a randomised map of various sizes, climates and "Earth likeness". Other parameters are also randomised, such as which ...
The Northeast Canyons and Seamounts Marine National Monument is located within the New England and mid-Atlantic regions, 130 miles southeast of Cape Cod. [1] It comprises a total area of 4,913 square miles, [1] and protects four underwater seamounts (Bear, Mytilus, Physalia, and Retriever Seamounts) and three submarine canyons in the edge of the continental shelf (Oceanographer, Lydonia, and ...
The marine monument consists of ocean waters and 10 islands and atolls of the Northwestern Hawaiian Islands including Midway Atoll. The monument was created in 2006 with 139,797 square miles (362,070 km 2 ), and its boundaries were expanded on August 26, 2016, more than quadrupling in size to be the largest protected area on Earth , almost as ...
The Yonaguni Monument (Japanese: 与那国島海底地形, Hepburn: Yonaguni-jima Kaitei Chikei, lit. ' Yonaguni Island Submarine Topography '), also known as the Yonaguni (Island) Submarine Ruins (与那国（島）海底遺跡, Yonaguni(-jima) Kaitei Iseki), is a submerged rock formation off the coast of Yonaguni, the southernmost of the Ryukyu Islands, in Japan.
A Historic Site or Monument (HSM) is a protected location of historic interest on the continent of Antarctica, or on its adjacent islands. The list of historic sites was first drawn up in 1972, [ 1 ] and has since expanded to cover 95 sites, with the most recent listed in 2021. [ 2 ]
The conservation of metal artifacts greatly depends on the damage and corrosion they have, the overall state of the object. Before conservation techniques are applied to a metal artifact, it is essential to be aware of the corrosion products that result from the exposure to different environments.
The Agile-class minesweepers are a class of US-built ocean-going minesweepers. 58 ships were built for the United States Navy, 35 ships were built for the allied NATO navies of Belgium, France, Italy, the Netherlands, Norway and Portugal. 13 ships were later transferred to Belgium, Spain, Taiwan, the Philippines and Uruguay.