On supporting science journalism
If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the discoveries and ideas shaping our world today.
The five countries with coastlines along the Arctic Ocean are making a case to the Commission on the Limits of the Continental Shelf for “extended continental shelf”—seafloor beyond their exclusive economic zones—to gain rights to resources on and under the seabed. (The water stays open to all people, according to international law.) The countries will have to settle large overlaps, notably around the North Pole and the Lomonosov Ridge. Only a small parcel or two of seafloor might remain open for the rest of the world.

Credit: Katie Peek (graphics); Mark Fischetti (text); Sources: IBRU, Durham University (claim areas); United Nations Convention on the Law of the Sea (claim areas); MarineRegions.org (EEZs); Global Self-Consistent, Hierarchical, High-Resolution Geography Database (coastlines); International Bathymetric Chart of the Arctic Ocean, version 3.0 (seafloor depths)
