https://www.eea.europa.eu/data-and-maps/daviz/specific-co2-emissions-per-passenger-3#tab-chart_1 https://www.eea.europa.eu/data-and-maps/daviz/specific-co2-e...

https://www.eea.europa.eu/data-and-maps/daviz/specific-co2-emissions-per-passenger-3#tab-chart_1 https://www.eea.europa.eu/data-and-maps/daviz/specific-co2-e... Rail: 28 kg/passenger km Air: 144 kg/passenger km 2014 figures.