UN Convention on the Law of the Sea (UNCLOS)

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Sea Ice as seen from above off the northwest coast of Greenland.

Q&A: ‘The Oceans Court’ Issues Landmark Advisory Opinion on Climate Change

ITLOS determined that UNCLOS requires parties to take specific, concrete steps to prevent, reduce, and control greenhouse gas emissions.
Various countries' flags in front of UN building and fence with UN symbol

National Security at the United Nations This Week (Jan. 22-Jan. 26)

Keep up to date on developments at the United Nations at the intersection of national security, human rights, and the rule of law.
Humpback whales as seen from above swimming in blue water

New High Seas Treaty Prepares International Community for Sustainable and Equitable “Blue Economy”

Following the international community’s 1982 adoption of the United Nations Convention on the Law of the Sea (UNCLOS), often referenced as the “constitution of the ocean,”…
An MQ-9 Reaper remotely piloted aircraft (RPA) is prepared for training mission.

The Russian Intercept of the U.S. Reaper and International Law

The Russian operation almost certainly violated the international law obligation of due regard and, perhaps, the prohibition on using force. Nevertheless, the Biden administration…
An aerial view shows ships at the anchorage area of the Bosphorus southern entrance in Istanbul, on October 12, 2022. A grain deal between Russia and Ukraine established safe corridors along which Ukrainian ships can come in and out of three designated Black Sea ports in and around Odessa and through the Turkish Straits.  (Photo by YASIN AKGUL/AFP via Getty Images)

Assessing Military Operations in the Black Sea a Year Into Russia’s Full-Scale Invasion of Ukraine

Naval mining threats and the grain shipping deal demand more clarity from Turkey on its interpretation of the Montreux Convention.
A brightly colored fish and diver amidst the spokes of a wheel at the bottom of the ocean; wheel covered with barnacle growth.

Weaponizing Underwater Archaeology in the Russia-Ukraine War – and Beyond

A growing trend of strategic underwater cultural heritage claims risks undermining international rules of maritime sovereignty.
Filipino protestors demonstrate outside the Chinese Embassy on July 12, 2019 in Makati, Metro Manila, Philippines. They carry signs reading, “Justice for Filipino Fishermen!” “Demiliterize West Philippine Sea” “Uphold Philippine Victory in the Arbitral Tribunal! China Out of the West Philippine Sea!” and more.

China, Climate Change, Credibility: Why It’s (Finally) Time for the US to Join the Law of the Sea Convention

The US absence at the table is more perplexing than ever, considering how these issues will define maritime governance in the 21st century.
Italian marines Massimiliano Latorre (C) and Salvatore Girone (L) arrive with Admiral Luigi Binelli Mantelli (R) at Ciampino airport near Rome, on December 22, 2012.

Part 2 – Tanker, Jailer, Soldier, Sailor: Functional Immunity and the Enrica Lexie Award

At the heart of the Enrica Lexie dispute-- a clash between an Italian tanker and an Indian fishing boat-- lies a question of jurisdictional immunity: was India barred from exercising…
Italian marines Massimiliano Latorre (C) and Salvatore Girone (L) arrive with Admiral Luigi Binelli Mantelli (R) at Ciampino airport near Rome, on December 22, 2012.

Part 1 – Tanker, Jailer, Soldier, Sailor: Functional Immunity and the Enrica Lexie Award

At the heart of the Enrica Lexie dispute-- a clash between an Italian tanker and an Indian fishing boat-- lies a question of jurisdictional immunity: was India barred from exercising…
US Marine Amphibious Assault Vehicles (AAV) prepare to hit the beach during the amphibious landing exercises as part of the annual joint US-Philippines military exercise on the shores of San Antonio town, facing the South China sea, Zambales province on April 11, 2019.

Secretary Pompeo’s Surprising Defense of International Law, Allies, and the Law of the Sea Convention

Sec. Pompeo's statement on China's excessive maritime claims is right in substance, but it showcases the schizophrenic U.S. approach to its allies, the law of the sea, and international…
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