Technological advances could cut aircraft carbon dioxide emissions to a third of 2000 levels within the next half-century, according to new findings from industry and academic groups. The Greener by Design study says lightweight materials and novel engine and aeroplane designs could also cut other aviation emissions such as nitrogen oxides. "There is a real prospect that over the next 50 years environmental impact per passenger kilometre could be cut faster than air traffic is likely to increase," lead author John Green said. See UK Royal aeronautical society and press release.
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