Airlines are forever telling us that aviation is just a teeny weeny contributor to greenhouse gases, nothing to be bothered about really. The figure of 2% of total emissions being attributable to flying is frequently quoted in defence of our collective ‘right’ to fly as often – and as far – as we like.
These protestations of innocence have always been controversial. For starters, the fact that airlines dump their CO2 into the upper atmosphere means that in effect its impact, ton for ton, is twice that of carbon emitted at ground level. Continue reading