Will flying ever be sustainable? | BBC Ideas

By 2050, airlines are expected to carry about 10 billion passengers on flights Globally, just 1% of the population generate half of all emissions from the aviation sector. But can the aviation industry ever be sustainable? Subscribe here: http://bit.ly/1rbfUog For more news, analysis and features visit: www.bbc.com/news Video made in partnership with The Royal Society and @bbcideas. #Emissions #Planes #BBCNews