Scientists see dangers in jet contrails
27 Jun 2014

By ALEX KIRBY.- Air travel is a rapidly-growing source of carbon dioxide and is helping to heat the Earth. It accounted for 6 per cent of the UK’s total greenhouse gas emissions in 2011.
But researchers from the University of Reading, UK, say the CO2 that aircraft emit may be less damaging to the climate than the vapour trails they often leave behind them.
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