Researchers have used computer models to forecast when the Arctic Ocean might experience its first ice-free day.
The threshold for dangerous global warming will likely be crossed between 2027 and 2042 - a much narrower window than the Intergovernmental Panel on Climate Change's estimate of between now and 2052.
It'll only have nine seats. But the low cost carrier expects larger electric planes in service by 2027.
The deal encourages airlines to buy credits through global carbon markets to offset their emissions.