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It's been reported that the Conservatives are issuing a policy document on green taxes today. Among the policies proposed is a tax on all too frequent airtravel. From what I understand they're punishing airlines that fly inefficient old planes that are heavier polluters than more recently build ones. They also propose that each of us gets a kinda green frequent flier account whereby we - sort of - fly one long-distance flight per year and one short-distance flight per year on a reasonably low tax rate. However, someone flying from Glasgow to London several times per week will find herself paying a very substantial and increasing tax rate per flight. The logic behind this is pretty obvious: the Tories aim to discourage us from taking too many short-distance flights. That probably is a good idea. The airlines usually counter this by saying that their pollution is small fry compared with other polluters. However, it is also true that their contribution to overall emissions is rapidly increasing due to the fact that more and more of us fly for short-distance travel. The airlines have also argued that such tax policies would hit mostly the low-income traveller who would then be precluded from travelling (thereby losing valuable freedoms). The fact is though, that most of those travelling on low-cost carriers in the UK are actually business people and middle- to upper-income folks.
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The table to the left shows a ranking of what the German news magazine SPIEGEL calls climate sinners (ie polluters). O course, this is in absolute terms as opposed to relative to population size.