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
Pay-Khoy Ridge do not have permanent population. The closest permanent settlements are Amderma and Ust-Kara. The ridge is located in tundra, to the north of the tree line. The Pay-Khoy ridge forms a curved orogen together with the Ural Mountains, the Vaygach Island and the Novaya Zemlya archipelago. The Pay-Khoy and Novaya Zemlya are younger than the orogeny that formed the Ural mountains. They were formed during the Cimmerian Orogeny between the Late Triassic and Early Jurassic. Pay-Khoy Ridge The Pay-Khoy ridge () is a mountain range at the northern end of the Ural Mountains. It lies within the Nenets Autonomous Okrug.