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A lifeline for the ocean: U.N. High Seas Treaty secures ratification

A global treaty that took almost two decades to create will become law early next year, enabling conservation areas.

(Andri Aeschlimann/Unsplash)

A landmark U.N. agreement to protect marine biodiversity in the high seas has secured the final ratifications needed to enter into force, a major milestone for global ocean conservation.

Following the deposit of ratification instruments by four nations — Sri Lanka, St. Vincent and the Grenadines, Sierra Leone, and Morocco — the High Seas Treaty reached the milestone of 60 nations on Friday, triggering its entry into force. The treaty will become legally effective on Jan. 17, 2026.

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