Arctic Ocean relate to the radioactive contamination of the Arctic Ocean from, for example, Russian radioactive waste dump sites in the Kara Sea and Cold War nuclear test sites such as Novaya Zemlya. In addition, Shell planned to drill exploratory wells in the Chukchi and Beaufort seas during the summer of 2012, which environmental groups filed a lawsuit about in an attempt to protect native communities, endangered wildlife, and the Arctic Ocean in the event of a major oil spill. On 16 July 2015, five nations (United States of America, Russia, Canada, Norway, Denmark/Greenland) signed a declaration committing to keep their fishing
MS Liberty of the Seas include character meet and greets, character parades, table-side visits from characters during meals, DreamWorks movies on stateroom televisions, and 3D DreamWorks movies on board. Features of the DreamWorks Experience specific to "Liberty of the Seas" are character meals, DreamWorks characters parade, photo opportunities with the characters, 3D movie theater, first-run DreamWorks films on board, special DreamWorks programming available on stateroom televisions, Adventure Ocean activities with characters. The DreamWorks Experience was first introduced on the "Oasis"-class ship, , on December 12, 2010, and later on the "Oasis"-class ship on February 26, 2011 and on the "Freedom"-class ship, "Freedom of the Seas"