Guardian: In the coming weeks, the Paris climate agreement could be about to enter into force. Action to meet the deals targets of holding global warming to 2C is most clearly visible in the energy sector - where a low-carbon transition is underway. There is, however, one sector where, until now, action has been invisible owing to its exemption from contributing to the fight to limit carbon pollution: international aviation.
Aviation is one of the top-10 global carbon polluters. The industry emits more...