The UK was among 23 nations to sign the International Aviation Climate Ambition Declaration at the Glasgow conference.
The declaration urges nations to collaborate “to advance ambitious actions to reduce aviation CO2 emissions at a rate consistent with efforts to limit the global average temperature increase to 1.5°C”.
Its ambition is similar to that agreed by Iata members in October.
Iata chief executive Willie Walsh said governments needed to provide help with the development of Sustainable Aviation Fuel if both goals were to be realised:
