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International Shipping Industry Plots New Course to Battle Climate Change


By Matthew G. Lawson 

GHGIn recent years, the global maritime shipping industry has faced pressure to reduce the large quantity of greenhouse gas (“GHG”) emissions associated with international shipping. About 90 percent of the world’s trade goods are transported by ship, and, according to one 2014 study, the shipment of these good via maritime vessels emits approximately 1.9 billion tonnes of GHG annually, or approximately 4% of human-made emissions worldwide. The annual GHG output of the shipping industry has been projected to rise by as much as 250% by 2050 if direct actions are not taken to modify industry practices.

Because of its international nature, global shipping is extremely difficult to regulate on a national basis, and therefore is often addressed through international agreements. To this end, in 2018, the International Maritime Organization (“IMO”), a branch of the United Nations, approved the world’s first broad agreement designed to reduce GHG from worldwide ocean shipping. The agreement reached by the IMO member provides the following target metrics:

(1) Reduce CO2 emissions per “transport work” (product of cargo transmitted and distance sailed) by at least 40% by 2030 and 70% by 2050; and

(2) Reduce total CO2 emissions from shipping by at least 50% by 2050.

The targets were designated to fall in line with the GHG reductions goals set out in the 2015 Paris Climate Accords (the "2015 Paris Agreement"). Though the 2015 Paris Agreement does not include an agreement to reduce GHGs in international shipping, the IMO has stated that it is committed to reducing GHGs in the industry to match the commitment put forward in the agreement.

On December 18, 2019, ship owner associations representing over 90% of the world’s merchant fleets formally presented to IMO their proposed strategy for meeting the international body’s 2018 GHG reduction goals. The industry’s plan proposed the creation of a $5 Billion USD research fund that will be used to research and develop more environmentally friendly fuels and ship propulsion systems. The fund would be fully funded from a $2 per ton tax on marine fuel purchased by shippers over a 10-year period. The associations argued that the fund would be critical to the development of alternative fuels—such as synthetic fuels created by renewable energy sources—which had the potential to drastically reduce the industry’s carbon footprint.

IMO’s environmental goals expand to areas beyond just GHG reduction. For example, in January 2020, the IMO’s new cap on the amount of Sulphur permitted fuel oil will take effect. The effort is aimed at reducing maritime vessel’s emissions of Sulphur oxides (SOx), which are known to be harmful to human health and can lead to acid rain and ocean acidification.  on December 10, 2019, the United States Environmental Protection Agency (“USEPA”) enacted a new Final Rule to help refiners comply with the IMO’s new global sulfur standard. As provided by the USEPA, the Final Rule was designed to “ensure that U.S. refiners can permissibly distribute distillate marine fuel up to the 5,000 ppm sulfur limit, which will facilitate smooth implementation of the 2020 global marine fuel standard.”