Figures explained

Grey: Projected CO2 emissions for year end 2011
Red: Projected bunker fuel spend during 2011
Green: Projected CO2 emissions and bunker fuel spend for year end 2011, with 30% efficiency savings applied.

Figures based upon IMO projections of GHG growth A1B Scenario, (Source: Fig 1. ICCT White Paper 11 – July 2011). These estimates assume business as usual with an increase of 3% in economic growth rate corresponding to growth in the transport demand, composition and activity of the world's shipping fleet.

It is estimated that GHG emissions from international shipping contribute 870 mmt of CO2 to the atmosphere, with an additional 180 mmt attributable to domestic and inland ships in 2007, for a total of 1050 mmt. Under the IMO's scenario analysis, shipping-sector CO2 is expected to climb to between 2,500 mmt and 3,650 mmt by 2050. These are long-run projections and there may be deviations from the trajectories due to market volatility in the short-term.

The maritime industry can reduce its GHG emissions by between 150 million metric tons of CO2 (lower bound) and 520 million metric tons of CO2 (upper bound) with an expected 320 million metric tons of CO2 per year with negative marginal abatement costs (i.e., while improving overall industry costs).

This is on the order of 13 to 46 percent of the 2020 BAU case.

CO2 Emissions Wasted fuel burnt 2011 CO2 at 30% efficiency
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IMO Marine Environment Protection Committee Submission Papers

IMarEST
“Marginal abatement costs and cost effectiveness of energy efficient measure” – MEPC61/INF.18

WWF
“Ensuring no net incidence on developing countries from a global maritime MBM”
– MEPC62/5/14

OCIMF
“Emissions trajectory prediction for shipping” – MEPC62/5/13

Bahamas
“Mandatory CO2 emission cut targets through technical and operational measures” – MEPC62/5/13

 

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STX EOSEAS Eco-Cruise Ship Design
According to STX Europe their EOSEAS cruise ship design is powered by LNG or natural gas, with wind and solar panels as secondary. They also plan to utilise waste and water recycling as well as waste to energy.

NYK Super Eco-Ship
According to NYK, the Super Eco-Ship 2030 shall operate with 69% less carbon emission in 2030. NYK Line targeted to cut total CO2 emissions in half by 2050 for their operations as well as to reduce CO2 emission per tonne mile by 85%.

Industry Reports

Environmental Defense Fund
“Smart Moves” – February 2012

Maersk Sustainability Report 2010

Tyndal Centre
“Shipping and Climate Change:
Scope for unilateral action”
 – August 2010

International Council
for Clean Transportation
“Reducing GHG emissions from ships”
– June 2011

Transport and Environment
“IMO’s Energy Efficiency Design Index / Questions and Answers” – July 2011

UNEP
Bridging the Emissions Gap

Lloyd’s Register
Shipping and the environment

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