US ratifies air pollution legislation

Fri 10 Oct 2008, 09:35 GMT

US ratifies air pollution legislation

US becomes 53rd country to ratify MARPOL Annex VI.

The United States of America has become the 53rd state to ratify Annex VI of the International Convention for the Prevention of Pollution from Ships (MARPOL), with the deposition of an instrument of ratification with the International Maritime Organization (IMO).

Annex VI, which was adopted in 1997 and entered into force in May 2005, regulates the discharge of atmospheric pollutants from ships. Among other things, it set, for the first time, limits on sulphur oxide (SOx) and nitrogen oxide (NOx) emissions from ships’ exhausts; prohibited deliberate emissions of ozone-depleting substances and put a global cap on the sulphur content of fuel oil.

This latest ratification, which brings to 81.88 the percentage of gross world merchant shipping tonnage covered by the aforementioned regulations, took place yesterday as a detailed review of the provisions of Annex VI was reaching a conclusion.

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