Global shipping cut emissions?

Carbon emissions from global shipping to be halved by 2050

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Fatuous, unrealistic and unnecessary -

Paul Slater, the veteran ship financier and chairman of First International Corp, provides an alternative point of view on all the emissions discussions going on this week at the International Maritime Organization (IMO).

The current debate at the IMO and MEPC is attempting to focus on reducing the volumes of CO2 that escape from the exhausts of commercial ships.

Many attempts have been made in recent years in this regard including installing scrubbers on funnels, turning main engines off in port and burning lower carbonised fuel in certain coastal waters.

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www.transportenvironment.org

Air pollution from ships

How much air pollution does shipping cause in Europe?

In 2005, in the seas surrounding Europe (the Baltic Sea, the North Sea, the North-Eastern part of the Atlantic, the Mediterranean and the Black Sea), sulphur dioxide (SO2) emissions from international shipping were estimated at 1.7 million tonnes a year, nitrogen dioxide (NOx) emissions at 2.8 million tonnes, and particulate matter (PM 2.5) at 195,000 tonnes. Due to the application from the start of 2015 of the 0.1% MARPOL limit in Sulphur Emissions Control Areas (SECAs) in the North and Baltic Sea and English Channel, ship-sourced sulphur emissions have reduced considerably in these areas. Emissions will be further reduced in the remaining EU seas with the implementation in 2020 of the 0.5% regional limit. However, in the long term emissions will rise due to increases in transport volume.

How much and how fast can pollution from ships be cut?

Technical measures to cut air pollution from ships significantly are implementable and outweigh the costs involved. These measures include the adoption of cleaner fuels, adding closed-loop 'scrubbers' or other exhaust gas cleaning devices to ships (for SOx), SCR systems (for NOx), slow steaming, and wider use of alternative sources of energy including wind power and port-side electricity.

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