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International Convention for the Prevention of Pollution from Ships

1973 and 1978
Also known as: MARPOL

Quick Summary

The International Convention for the Prevention of Pollution from Ships (MARPOL) was established in 1973 and updated in 1978. It is a key convention developed under the auspices of the International Maritime Organization (IMO), a specialized agency of the United Nations.

MARPOL addresses maritime pollution by setting regulations for the internal arrangements of tankers to minimize oil spills following hull ruptures. The IMO's broader mission includes developing international treaties to enhance maritime safety, discourage restrictive trade practices, and reduce maritime pollution. Regulations from the IMO, including MARPOL, do not take effect until ratified by a sufficient number of maritime states and enacted into national law.12

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