https://www.eea.europa.eu/data-and-maps/daviz/specific-co2-e...
Rail: 28 g/passenger km Air: 244 g/passenger km (road 101 g/passenger km)
2014 figures. Edit: Units !!
Rail: 28 g/passenger km Air: 244 g/passenger km (road 101 g/passenger km)
2014 figures. Edit: Units !!