Uhhhhh, Giselle, is it? Unless I'm mistaken, Seychelles is not withing walking distance of The UN, so in order for you to have even gotten to this event, it took CO2.
And, oh, by the way, did anyone ever tell you that every time you exhale, you exhale CO2?
Maybe they came by one of those Polynesian outriggers. Watch out for the icebergs in the Atlantic.