Cait Weston, policy and communications officer at the Aviation Environment Federation, said: "Government forecasts suggest that passenger numbers will increase from 228 million per annum in 2005 to 450 million pa by 2030, as opposed to 455 million without the increase."
The environmental impact of air travel is getting worse, according to Ms Weston, as technology fails to develop at the same rate of consumer demand.
"Price signals, alongside other measures such as minimum technology standards and controls on airport expansion, can play an important part in helping people to make the right choices and bringing aviation within sustainable limits," she added.
A recent report from Mintel released to Travel Weekly, found a family of four flying outside Europe in premium economy will face a duty bill of £480 to £680 from November next year.
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