Climate change

Self-paced course

2 hours



Do you want to find out what ships can do to reduce GHG emissions?  

This course will help you better understand how the maritime industry can reduce its environmental carbon footprint through practical measures to save energy on board. It will also give you facts and figures, and a better understanding of the global international regulatory framework to address emissions from ships.

This course will be of particular interest to:

  • Someone curious and interested to learn more about the international regulatory framework to address emissions from ships.
  • Seafarers working on board ships, interested in practical measures to reduce fuel consumption.
  • Individuals working in the maritime sector, interested in environmental protection and climate change.

What you will learn

This course aims to provide answers to a series of questions such as: 

  • How can ships contribute towards the reduction of GHG emissions and the mitigation of climate change? 
  • How can fuel saving measures lower the GHG emissions and play an important role in limiting global temperature increase? 
  • What are some of the practical actions which can be taken onboard to reduce fuel consumption? 
  • What is the role of the International Maritime Organization and how is it addressing emissions from ships?

Course at a glance

This course is divided into 2 modules: 

  • Module 1

    Greenhouse gases and energy efficiency in the maritime industry;

  • Module 2

    Practical ways of reducing energy use at sea.

Each module includes interactive lessons, resources for additional learning as well as a final summary.  For participants with limited internet access or time online, a PDF Learning Journal has been prepared and can be downloaded to allow for offline learning and come back to take the quiz online.  Each module takes on average 1 hour to complete.

Additional modules, covering detailed practical measures that can be taken by the Engine Department, Deck Department, onshore personnel/companies and ports, are currently under development and will be released in due course.

Completion requirements

A short quiz at the end of each module allows you to verify if you have achieved the learning objectives.  To successfully complete the course and gain a Certificate of Completion, participants have to obtain a passing grade of 70% or above to both assessment quizzes (3 attempts are allowed for each quiz).

Partners and Contributors

This self-paced free course has been developed by the Global Industry Alliance to Support Low Carbon Shipping (Low Carbon GIA), a public-private partnership bringing together leading maritime companies to address barriers to low carbon shipping, established under the IMO-Norway GreenVoyage2050 Project. The course is made available on UN CC:e-Learn through the new UN CC:Learn affiliation programme, which highlights high-quality e-learning products on climate change developed by recognised institutions outside the framework of the UN CC:Learn programme / without support from the UN CC:Learn Secretariat, in accordance with specific affiliation criteria. The objective of the UN CC:Learn affiliation programme is to enhance global climate literacy through dissemination of high-level learning products that complement UN CC:Learn resources. If you face any issue with accessing or going through our courses please access our help page.

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