Aviation has impacts on the global climate as a result of the release of CO2 as well as of other emissions, including nitrogen oxides emissions, and mechanisms, such as cirrus cloud enhancement.
Bíonn tionchair ag an eitlíocht ar an aeráid dhomhanda mar thoradh ar astú CO2 mar aon le hastaíochtaí eile, lena n-áirítear astaíochtaí ocsaídí nítrigine, agus meicníochtaí, amhail breisiú scamall ciorrais.