Methodology for Environmental Information Disclosure of Journey - Application of Environmental Label and Carbon Footprint

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This study aims to develop a method for estimating CO_2 emissions for carbon footprinting of package tours. For the calculation, the components of a package tour are categorized into “journey,” “accommodation,” “meals,” and “leisure.” In particular, this study focuses on the “journey” category and estimates the CO_2 emission factors with the major transport modes employed in package tours: bus, train, air transport, and ship. These factors are calculated on the basis of the number of passengers, vehicle sizes, and difference between urban and rural areas. This approach along with the CO_2 emission factors enables estimating the CO_2 emissions of package tours and analyzing the influence trends of each tour component. In addition, this study also estimates how CO_2 emissions increase or decrease with transport system. It is clarified that among the tour components, CO_2 emissions from “journey” contribute the greatest. Finally, a display method for carbon footprinting of the tours is proposed.