A step forward, but just a step, was taken in Montreal on Wednesday 27 June with endorsement by the International Civil Aviation Organisation (ICAO) of rules for implementation of the CORSIA system. This global market measure aims to stabilise the sector’s CO2 emissions by 2020 through an offsetting mechanism. The 36 members of the ICAO approved the standards and recommended practices (SARP) for the offsetting system.
Nonetheless, they deferred until “before the end of 2018” the...