Purple-striped jellyfish (Chrysaora colorata)

New Insights into the Twilight Zone

Conditions for life at these depths are harsh, but there is a tremendous amount of life in the twilight zone.

Captain Emil Petruncio, U.S. Navy (Retired)
July 2024
At 44 nautical miles wide, the Bering Strait is the only maritime corridor and chokepoint between North America and Asia with access to the Arctic Ocean.

New Challenges for the Bering Strait

The Bering Strait is a narrow, international strait that separates Chukotka in Russia’s Far East from Alaska, the only chokepoint between North America and the Arctic Ocean.

Captain Lawson Brigham, U.S. Coast Guard (Retired)
May 2024
On this map, 200–nautical mile exclusive economic zones are shown in light blue, and the high seas, which will be covered by the new treaty, are in dark blue.

High Seas Treaty on Marine Biological Diversity

The new treaty is underpinned by the United Nations Convention on the Law of the Sea (UNCLOS), which defines coastal state jurisdiction and establishes the international high seas.

Captain Lawson W. Brigham, U.S. Coast Guard (Retired)
September 2023
barge tow

Shallow Waters: Climate Change and World Shipping

Considering rapidly changing global weather patterns, now is the time to consider remedies that will extend commercially viable use of affected waterways.

Captain Don Walsh, U.S. Navy (Retired)
July 2023
Ships from Denmark, Finland, Germany, Lithuania, Poland, Sweden, the United Kingdom, and the United States

Future Challenges for the Baltic Sea

The environmental security challenges in the Baltic Sea will likely intensify in the decades ahead with increasing marine traffic and regional warming.

Captain Lawson W. Brigham, U.S. Coast Guard (Retired)
May 2023