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Decarbonization of Shipping and Progressing Towards Reducing Greenhouse Gas Emissions to Net Zero: A Bibliometric Analysis

Author

Listed:
  • Mohan Anantharaman

    (Centre for Seafaring and Maritime Operations (CSMO), Australian Maritime College (AMC), Launceston, TAS 7250, Australia)

  • Abdullah Sardar

    (Centre for Seafaring and Maritime Operations (CSMO), Australian Maritime College (AMC), Launceston, TAS 7250, Australia)

  • Rabiul Islam

    (Centre for Seafaring and Maritime Operations (CSMO), Australian Maritime College (AMC), Launceston, TAS 7250, Australia)

Abstract

The International Maritime Organization (IMO) is the regulator for the safety and pollution prevention of ships. They have set an ambitious target of driving International Shipping to achieve net-zero greenhouse gas (GHG) emissions in 2050 by the process of decarbonization of shipping. Decarbonization of shipping is integral to sustainability, as it can reduce GHG emissions and provide a clean environment in a world that is conducive to the good health and well-being of our future kith and kin. Decarbonization of shipping may be achieved using alternate low-carbon fuels, a more efficient ship operation to save energy, or redesigning the ship’s hull. The purpose of this article is to conduct a bibliometric analysis of the research papers conducted in the past decade on the initiatives adopted by the shipping industry to work towards the net-zero goal. This study utilizes the Scopus database, renowned for its extensive collection of scientific papers. Moreover, to analyze and visualize the data, the bibliometric software tools VOSviewer 1.6.20, Bibliometrix 4.4.0, and Harzings’ 8.17.4863 have been used. These tools facilitated the assessment of the research output in this bibliometric study. Our findings reveal a steady increase in publications over the years, with a notable rise in research interest from 2015 onward. The most frequently discussed topics include greenhouse gases, emission control, and energy efficiency, with notable contributions from the United Kingdom, China, and Scandinavian countries. The study also highlights the leading journals publishing about this research area. Future research directions include exploring alternative fuels and more inclusive policy frameworks for maritime decarbonization.

Suggested Citation

  • Mohan Anantharaman & Abdullah Sardar & Rabiul Islam, 2025. "Decarbonization of Shipping and Progressing Towards Reducing Greenhouse Gas Emissions to Net Zero: A Bibliometric Analysis," Sustainability, MDPI, vol. 17(7), pages 1-24, March.
    • Handle: RePEc:gam:jsusta:v:17:y:2025:i:7:p:2936-:d:1620962
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    References listed on IDEAS

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    1. Christos Spandonidis & Zafiris Tzioridis & Areti Petsa & Nikolaos Charanas, 2025. "Maritime Operational Intelligence: AR-IoT Synergies for Energy Efficiency and Emissions Control," Sustainability, MDPI, vol. 17(17), pages 1-24, September.

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