section_path: Environmental concerns/Other concerns
section_name: Other concerns
paragraph_text: Other concerns
  
  Other environmental concerns relate to the radioactive contamination of the Arctic Ocean from, for example, Russian radioactive waste dump sites in the Kara Sea, Cold War nuclear test sites such as Novaya Zemlya, Camp Century 's contaminants in Greenland, and radioactive contamination from the Fukushima Daiichi nuclear disaster.
  
  On 16 July 2015, five nations (United States, Russia, Canada, Norway, Denmark/Greenland) signed a declaration committing to keep their fishing vessels out of a 1.1 million square mile zone in the central Arctic Ocean near the North Pole. The agreement calls for those nations to refrain from fishing there until there is better scientific knowledge about the marine resources and until a regulatory system is in place to protect those resources.