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While the shipping industry has made a commitment to implement the International Maritime Organisation’s (IMO) ambition of reducing CO2 emissions by at least 70% by 2050, the sector is encountering obstacles in meeting this target. The capital-intensive industry is plagued by thin margins, limited technology and a high dependency on energy-dense fuels. While it already moves approximately 90% of world trade volumes, this volume is expected to almost double by 2030, making meeting these decarbonisation targets all the more important. As the global economy grows, exemplified by the expansion of trading capabilities of the Panama Canal and the Belt and Road Initiative, so too will carbon emissions from the shipping industry and therefore, pressure to accelerate decarbonisation. 

To reach this goal, commercially viable zero-emission vessels need to be introduced into the global fleet by 2030, and the fuel supply chain must be reexamined. This can only be achieved through existing coalitions and greater collaboration between the major players in the maritime industry, energy sector and governments, but are such commitments possible to reach these decarbonisation targets?

Shipping’s Complex Road Map to Decarbonisation

The shipping industry is large and ever-expanding, with shipping emissions having increased by 70% since 1990. It currently represents 2.7% of global emissions, with 85% of these emissions coming from bulk carriers, oil tankers and container ships. There are 53 732 seagoing vessels that run on highly polluting fuel with most using heavy fuel oil (HFO) or marine gas oil (MGO) which are both major sources of harmful emissions, such as nitrogen oxides (NOx), sulphur oxides (SOx), black carbon (BC) and particulate matter (PM), which cause substantial damage to human health and local ecosystems.

Some of the barriers to making the shipping industry more sustainable is that existing cleaner fuels are costly, and the feasibility of energy-efficient solutions, such as liquefied petroleum, remain limited. The industry is exploring several alternative clean fuels, including ammonia, hydrogen, methanol and biofuels, but major shipping players are concerned about not only their costs, but also their lower energy density and extensive storage needs.

Furthermore, given the 20 to 30-year lifespan of ships, those in operation today will still make up most of the global fleet in 2030. To meet the IMO decarbonisation targets, the industry will need to invest substantially in net-zero vessels. However, there remains reluctance due to a lack of clarity regarding future fuels and regulation that has exacerbated unwillingness to invest in new ships.

According to the University Maritime Advisory Services, it is estimated that for the shipping industry to meet the IMO carbon neutrality targets by 2050, the sector will need to invest at least $1.65 trillion, of which 87% will need to be dedicated to creating fuel supply infrastructure. 

Decarbonisation decision-making across the industry is complex due to the fragmentation of the global shipping fleet; 20% of the total shipping capacity is owned by 10 ship owners while the remaining 80% of the global fleet is owned by thousands of smaller ship owners, alongside different forms of company ownership. This makes it difficult to get consensus in the industry. However, this collaboration is vital to stimulate the development of viable technologies, cross-sector research and systemic change across the shipping supply chain.

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Coordination Orchestration: The Zero Carbon Research Centre

To deal with coordination efforts for the transition of shipping from ideas to action, orchestration of the industry stakeholders is vital. An example of this is the creation of a non-profit research centre, the Maersk Mc-Kinney Møller Centre in Copenhagen, Denmark, has a specific mandate to drive zero shipping emissions by stimulating greater collaboration across all segments of the shipping sector.

The centre is being guided by the shipping giant Maersk who themselves have managed to reduce their emissions by 41% relative to cargo moved by the end of 2017 with a reduction target of 60% by 2030 and carbon neutral by 2050, leading the decarbonisation agenda for the entire shipping industry.

Asides from Maersk, the centre was co-founded by several other leading global maritime industry organisations, including ABS, Cargill, MAN Energy Solutions, Mitsubishi Heavy Industries, Nippon Yusen Kaisha and Siemens Energy.

Brian Østergaard Sørensen, vice president at MAN Energy Solutions, says, “No technology or company can do this alone which is why we need to join forces across the supply chain to meet this challenge.”

The centre’s team will focus on collaboration in order to create solutions towards accelerating the development of selected decarbonising fuels, decarbonisation pathways and assist in the establishment of a legal, financial and commercial framework to drive the transformation across the entire shipping industry by working with industry, academia and authorities.

All Hands on Deck: Coordinated Industry Commitments

Much like the research centre in Copenhagen, new industry alliances are being created, such as The Net Zero Asset Owner Alliance and the Clean Cargo Working Group. However, there needs to be greater and more diverse collaborative efforts across the industry due to the complexity of the problems to reach the targets.

These stakeholders vary from across the maritime spectrum, including engine manufacturers, port authorities, ship builders and energy companies that need to share knowledge bases, define their R&D roadmaps, build on existing initiatives and develop new ideas to proactively support and utilise pilot projects necessary to mature new technologies and unlock fuel options.

While maritime organisations might compete with one another, there’s an opportunity to work together and build on the existing momentum to drive practical change towards reaching the decarbonisation objectives and create fundamental systemic change. 

With 90% of trade being carried out at sea, freight shipping is a crucial part of the global economy. But while over 90,000 ships traverse the globe annually, they pose an environmental threat that extends far beyond the ocean.

Container ships emit large amounts of toxic chemicals into the atmosphere, specifically sulphur and nitrogen oxides, and carbon dioxide (Co2). In fact, the shipping industry alone contributes around 2 to 3 percent of the world’s total greenhouse gas emissions. Were it a country, the global shipping industry would have the honour of being the sixth-highest Co2-emitter in the world, behind the United States, China, Russia, India and Japan, illustrating the gravity of the industry’s contribution to the climate crisis. In addition, accidental spills, operational discharges and the disposal of garbage from ships disrupt marine ecology. 

Such a dire threat to the environment could not have escaped the attention of the world for too long, and it didn’t. In 2008, the International Maritime Organization (IMO), in collaboration with the government of Norway, launched the “GreenVoyage-2050” project, aiming to reduce greenhouse gas emissions in the shipping industry by at least 50% by 2050, focusing mainly on sea traffic in six high-priority regions – Asia, Africa, Caribbean, Latin America and the Pacific.

Freight shipping companies took note. Sabrina Chao, Managing Director of the Hong Kong-based Wah Kwong Maritime Transport Holdings, a large shipping company, says, “Over the last decade, there have been a lot of conversations in the shipping industry about what more we should be doing. Of course, everybody agrees that we want to leave a much better world for our next generations. We don’t want to be seen as polluters of the world. If you look back, we have already made great progress in reducing [the industry’s] carbon footprint. But there is a lot left to be done. That’s exactly the kind of conversation we are having at Baltic and International Maritime Council (BIMCO) and at Hong Kong Shipowners Association.”

Maersk Line, a Danish international container shipping company, has committed itself to deploying carbon-neutral vessels by 2030, as well as optimising networks. To bolster this commitment, the company has invested over US$1 billion in research and development since 2014, focusing on developing energy-efficient solutions.

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Given that a cargo ship’s lifespan is around 30 years, and the IMO target is in just over 30 years, all major shipping corporations – not just Maersk Line – should endeavour to invest in building the next generation of carbon neutral ships. Unfortunately, however, this may not be a commercially viable solution for all shipowners. The American Bureau of Shipping (ABS) instead advocates using alternative fuels that would emit less pollutants. 

However, even with their hands somewhat tied with regards to limited technological options and financial viability, there are still some avenues left for the maritime industry to explore. According to IMO’s Secretary-General, Kitack Lim, ships burn 15% of their fuel while in the ports. He has therefore highlighted the crucial role that ports have in supporting the maritime industry’s thrust towards reducing its carbon footprint. Other solutions include transporting less cargo, travelling at slower speeds to burn less fuel, increasing efficiency by bundling more cargo into bigger ships while cutting down the number of smaller fleets, and using new fuel types. 

While the freight shipping industry may be reluctant to bear the cost of investing in technologies that will mitigate the damaging effects it has on the ocean, it would be wise to be cognisant of the fact that the ocean is its livelihood, and that it has the most to gain from protecting the ocean.

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