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
Severnaya Zemlya During the days that followed Vilkitsky's expedition charted parts of the Laptev Sea coast of what they believed to be a single island. Barely six months later in early 1914, by order of the Secretary of the Imperial Navy, the new discovery was renamed "Emperor Nicholas II Land" (, "Zemlya Imperatora Nikolaya II"), after ruling Emperor Nicholas II of Russia. In 1926 the Presidium of the Central Executive Committee of the USSR renamed the still not fully explored land "Severnaya Zemlya". In May 1928, an attempt was made by Umberto Nobile and his crew in the Airship Italia to overfly