Carbon Footprint

Answer

Carbon footprint is the total greenhouse gas (GHG) emissions caused directly and indirectly by an activity, product, person, organization, or ship, expressed as CO₂-equivalent (CO₂e).

It includes not only CO₂, but other greenhouse gases such as CH₄ (methane) and N₂O, converted into equivalent CO₂ based on their Global Warming Potential (GWP).

For shipping, carbon footprint can include emissions from:

• Main engine and auxiliary engine fuel combustion
• Boilers
• Refrigerant leakage
• Electricity/shore power, depending on accounting boundary
• Fuel production and transportation when a life-cycle / Well-to-Wake approach is used