What air journey may appear like in 2050

If the aviation trade was a rustic, it will rank among the many world’s top ten emitters of carbon dioxide (CO₂). Aviation emissions have risen by 70% since 2005 and as demand will increase in wealthy and poorer international locations, they’re forecast to extend by between 300% and 700% by 2050.

Arresting this incline would be the first step in the direction of a sustainable system of worldwide journey – however how may it’s carried out? A frequent flyer tax could be comparatively simple to implement however it may imply the richest can still afford to fly whereas the poorest are priced out.


Most aircraft passengers are already comparatively rich. Solely 18% of the world’s population has ever flown and in any given yr, an elite three% of the world flies. That’s about 230m folks, however flights carried 4 billion passengers in 2017. So the typical flyer takes eight return flights and aeroplanes rack up seven trillion air miles each year.

Rationing may be a fairer and more practical different.

Flight rationing

Each individual could possibly be allotted a most variety of “flight kilometers” every year. This allowance would improve the longer an individual abstained from flying. The primary yr allocation could be 500km, then the next yr it will be 1,000km and would double yearly. It could take seven years to build up sufficient to fly from the UK to Australia and again.


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Shopping for a ticket for a flight of any distance would reset the allocation charge to yr one, however the kilometers saved in a “flight financial institution” may nonetheless be used. Anybody not touring may change their flight kilometers for cash, however anybody exceeding their ration could possibly be fined or banned from flying for a while.