The failure of global climate talks in Madrid last week to decide the fate of billions of old carbon credits raises the stakes for the U.N aviation body in Montreal, which must choose in March which offsets can be used for its carbon market. The aviation industry accounts for over 2% of global greenhouse gas emissions, and if left unchecked emissions are expected to rise as passenger and flight numbers increase. The sector plans to from 2021 launch a scheme to offset its net growth in emissions, called CORSIA. The International Civil Aviation Organization (ICAO) is set to decide in March which offsets to use. This task made has been made harder by the failure in Madrid to agree what carbon markets should […]