Sustainability Practices in Maritime Industries
Summary
The maritime sector has witnessed a rapid evolution of sustainability practices driven by regulatory pressures, technological innovation and stakeholder demands. Efforts to decarbonise shipping include adoption of alternative fuels such as liquefied natural gas, biofuels, methanol and emerging hydrogen or ammonia solutions, alongside energy-efficiency measures incorporating advanced hull forms, air-lubrication systems and waste heat recovery. Operational enhancements—speed optimisation, just-in-time arrival and digital voyage planning—further reduce fuel consumption and emissions. Environmental protection also encompasses ballast water management and biofouling control to curb invasive species, as well as shore power connections in ports to eliminate auxiliary engine usage. Circular-economy principles guide onboard waste segregation, recycling and green ship-recycling practices at end of life. These measures are underpinned by international frameworks including International Maritime Organization regulations, European monitoring and reporting schemes, and market-based mechanisms such as carbon pricing. Collaboration across shipowners, charterers, technology providers, financiers and regulatory bodies is essential to scale up sustainable solutions, ensuring resilience, cost-effectiveness and social responsibility in global supply chains.
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Sustainability Practices in Maritime Industries publication trend
The graph below shows the total number of articles in sustainability practices in maritime industries across all publications each year (not limited to Nature Index journals).
Technical terms
Corporate social responsibility (CSR): A strategic approach by which companies integrate social, environmental and ethical considerations into operations, aiming to create long-term value for stakeholders.
Triple bottom line (TBL): A sustainability framework evaluating organisational success across three dimensions: economic viability, environmental protection and social equity.
Decarbonisation: The process of reducing carbon dioxide and other greenhouse gas emissions produced by maritime transport, often through fuel switching, energy efficiency and technology adoption.
Shore power: Electrical supply provided to berthed vessels from onshore grids, allowing shutdown of ship generators to minimise emissions in port areas.
Ballast water management: Treatment and handling of seawater taken onboard to maintain vessel stability, designed to prevent the transfer of invasive aquatic organisms between ecosystems.
References
- The evaluation model of the impact of corporate social responsibility on firm performance: A empirical study in the maritime transportation of Vietnam. Cogent Business & Management (2023).
- How can stakeholders promote environmental and social responsibility in the shipping industry?. WMU Journal of Maritime Affairs (2017).
- Embracing Sustainability in Shipping: Assessing Industry’s Adaptations Incited by the, Newly, Introduced ‘triple bottom line’ Approach to Sustainable Maritime Development. Social Sciences (2019).
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