Portugal–Spain relations small Portuguese Marine Corps combat detachment and two wardens of Madeira's Natural Park. Over the years the Portuguese authorities have seized some Spanish fishing boats and crew around the area for illegal fishing and theft of light beacons and navigation buoys. As of 2017 Spain had approved a nuclear waste warehouse next to the Almaraz Nuclear Power Plant (which uses the Tagus river that flows into Portugal for cooling of the reactors), which is near the Portugal–Spain border, without carrying out any consultations or impact studies. Portugal has escalalted the matter to the EU. Protests were planned for January 12,
Norway–Russia border do not travel outside a zone from the border. Negotiations on the outside marine border were initiated in 1970. Norway claimed, in accordance with the United Nations Convention on the Law of the Sea Article 15 and the Convention on the High Seas, that the border should follow the equidistance principle, the border being defined by midpoints between the nearest land area or islands, as is normal practice internationally. The Soviet Union claimed, based on a decision by Joseph Stalin from 1926, which was not recognized by any other country than the Soviet Union, that a "sector principle" should apply,