Salvatore Sciacchitano, president of the ICAO Council, speaks during the opening ceremony of the CAAF/3 gathering held in Dubai. Pawan Singh / The National
Salvatore Sciacchitano, president of the ICAO Council, speaks during the opening ceremony of the CAAF/3 gathering held in Dubai. Pawan Singh / The National

What do the UN-led talks on lower aviation emissions using cleaner fuels mean?