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Aviation currently makes up 3.5 percent of global carbon emissions, and that number is only set to rise.
So, airlines and Governments around the world agree that the race is now on to decarbonise air travel.
And many have committed to making it a reality by 2050.
Dr Grant Lumsden is partnerships manager at Wellington UniVentures, talks to Jesse about some of the issues surrounding electric aviation.
Photo: 2020 Mark Tantrum