Pollution in the Arctic Ocean cleaner sulphur-based fuel could resolve the issue. Pollution in the Arctic Ocean Pollution in the Arctic Ocean is primarily the result of economic activities carried out on land – such as industrial development in the Arctic region, northern rivers, and the effects of military activities, particularly nuclear activity – as well as the influx of pollutants from other regions of the world. However, the Arctic Ocean remains relatively clean compared to other marine regions of the world. Economic activity in the Arctic seas is not the only source of pollution. The growing presence of military weapons systems in the region
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"