From the motorways of the sea to the green corridors' carbon footprint: the case of a port in Spain

Green corridors are a European concept denoting long-distance freight transport corridors where advanced technology and co-modality are used to achieve energy efficiency and reduce environmental impact. Green corridors consider all types of agents acting in the door-to-door co-modality chains, including ports. Carbon footprints (CF) provide companies, customers and other agents with information related to greenhouse gas (GHG) emissions from the supply chain of products, identifying key points, potential risks and opportunities for improvement. Its application in both the logistic networks and all modes of transport would allow for the creation of green corridors and sustainable motorways of the sea. This paper describes the method which is composed of financial accounts (MC3) used to estimate the CF of a port. It shows the effects of the method on the Port of Gijón (PAG), which steers the existing Gijón/Nantes/Saint-Nazaire motorway of the sea. The extension of the system to all nodes of the shipping line and other transport modes will lead in the long run to a carbon-neutral green corridor. Our findings show the importance of looking at indirect emissions in order to become a carbon neutral port.

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