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Carbon Emissions

Of the global tourism carbon footprint, about 75% comes from transportation.


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Carbon Emissions

Aviation and cruise ship emissions are growing slightly, but efficiency is improving.

The Dashboard uses a unique approach to estimating total global passenger carbon dioxide emissions for aviation. Data stem from the Amadeus booking database in combination with ICAO emission factors that are specific to each airport-airport pair. In 2016, ICAO updated their factors to take into consideration new aircraft types and more efficient technology. Amadeus data constitute a combination of actual bookings through the Amadeus platforms and modelled data to account for bookings made through other Global Distribution Systems. For cruise ship emissions, data were taken from the Annual Reports of the key companies, and the remainder was extrapolated to arrive at a total estimate for this fast growing industry.