environmental project no 769 2003 miljøprojekt greenhouse gas emissions from international aviation and allocation options stefan krüger nielsen ecotransport consulting the danish protection agency will when opportunity offers publish reports contributions relating to research development projects financed via epa please note that publication does not signify contents of necessarily reflect views are however published because finds studies represent a valuable contribution debate on policy in denmark 4 table 1 preface background objectives 7 2 sammenfatning 10 baggrund projektets formål 11 3 luftfartens bidrag til globale klimaforandringer 12 vækst 5 muligheder for at reducere drivhusgasemissioner 13 6 regulere 14 kvaliteten af landenes rapportering emissioner fra luftfart unfccc 15 8 brugen modeller beregning flytrafikkens 16 9 luftfartsselskabernes brændstofforbrug 17 allokering 18 summary 23 24