The Rankings
Carbon emitted per ring by destination π
π₯ Mexico City β 1.251g β 13,900km
π₯ Tokyo β 1.242g β 13,795km
π₯ Toronto β 1.180g β 13,114km
4οΈβ£ Seoul β 1.152g
5οΈβ£ New York β 1.130g
6οΈβ£ Shanghai β 1.073g
7οΈβ£ Sydney β 0.972g
[See image for all 20 countries]