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Class 1 (Chief Engineer) Engineering Management 📅 Feb 2026

Exam Question

Discuss the revised GHG (Green House Gas) strategy of the IMO and amendments being considered under MARPOL Annex VI, including the inclusion of new Chapter-V to achieve the decarbonisation goal and transition to a Net Zero future in shipping. (16) 

Reference Answer

### Introduction
The International Maritime Organization (IMO), as the United Nations' specialized agency responsible for the safety, security, and environmental performance of international shipping, has significantly enhanced its commitment to addressing climate change. In July 2023, the Marine Environment Protection Committee (MEPC) adopted the revised GHG Strategy, setting ambitious goals for the decarbonization of the shipping industry. To translate this strategy into binding international law, substantial amendments to MARPOL Annex VI are being finalized, primarily through the introduction of a new Chapter V, establishing the 'IMO Net-Zero Framework'. This framework is designed to guide the global fleet's transition towards a net-zero future by 2050.
### The 2023 Revised IMO GHG Strategy
The revised strategy represents a major leap in ambition compared to the initial 2018 strategy. It provides a clear roadmap and sends a strong signal to the industry to accelerate investment in green technologies and alternative fuels. The key pillars of the strategy are:

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