Planes need to stop existing in a parallel universe when it comes to the climate fight

Curbing flight emissions is essential to meeting the Paris pact, but planes are completely absent from the text, face no legal fuel efficiency requirements or limits on CO2 emissions. But all that is about to changeIn the coming weeks, the Paris climate agreement could be about to enter into force. Action to meet the deal’s 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, u