year Historical greenhouse gas emissions-transport International aviation International maritime transport Historical greenhouse gas emissions Projections WEM - transport Projections WAM - transport Projections 'with existing measures' Projections 'with additional measures'
1990 673 54 102 828
1991 681 53 100 834
1992 703 57 102 861
1993 706 60 103 868
1994 712 62 103 877
1995 724 66 103 893
1996 746 69 109 925
1997 756 72 119 946
1998 786 76 124 985
1999 802 82 121 1005
2000 799 85 128 1012
2001 812 85 133 1030
2002 821 82 139 1042
2003 830 86 141 1057
2004 849 91 149 1089
2005 847 96 153 1097
2006 855 101 164 1121
2007 864 106 172 1141
2008 845 107 170 1121
2009 822 98 151 1071
2010 818 100 150 1068
2011 808 102 150 1061
2012 778 101 139 1019
2013 773 102 131 1006
2014 779 104 127 1011
2015 794 108 127 1029 792 792 1027 1027
2016 812 114 133 1059 808 806 1057 1055
2017 826 123 136 1085 821 816 1078 1073
2018 828 129 138 1096 825 814 1085 1074
2019 832 133 138 1103 826 810 1089 1073
2020 828 806 1095 1072
2021 828 796 1097 1065
2022 827 787 1100 1059
2023 827 778 1103 1053
2024 826 769 1105 1047
2025 825 760 1107 1041
2026 821 744 1106 1027
2027 816 728 1104 1013
2028 812 711 1102 998
2029 807 695 1099 984
2030 802 678 1097 970
2031 798 665 1095 957
2032 795 652 1094 944
2033 791 639 1092 932
2034 788 625 1091 919
2035 784 612 1089 906
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050