ICAO Air Navigation Commission President Padhraic Kelleher said mandates would only come after "a significant process of consultation ... with states."
Sustainable aviation fuels (SAF) have been certified under the Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA) for the first time.
While it was no small feat for ICAO to adopt a sustainability goal at its latest general assembly, the hard work of achieving that target is just beginning.