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Take a look at this graph: Global air travel increased 8 fold in 4 decades – and it’s an accelerating trend. Yes we have a problem
Thursday, February 25, 2016 6:23
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www.bitsofscience.org Over the last 40 years global air travel has almost increased eight fold: In 1974 air planes carried 421 million people globally. In 2014 this number has increased to 3,21 billion passengers – that’s a billion more in just five … Continue reading →
www.bitsofscience.org
Source: http://www.bitsofscience.org/graph-global-air-travel-increase-6848/
