DMEMEDS shared post via Telegraph: Longitude Prize 2014: How can we fly without damaging the environment?

With the deadline for the Longitude Prize 2014's public vote rapidly approaching, we take a closer look at the issues it is asking you to vote on in our six-day series. Here, Prof David MacKay asks: will flying ever be environmentally sustainable? [By Author: David MacKay] [Link to media] http://telegraph.feedsportal.com/c/32726/f/568397/s/3bca3e5d/sc/4/l/0L0Stelegraph0O0Cscience0Cscience0Enews0C10A920A30A70CLongitude0EPrize0E20A140EHow0Ecan0Ewe0Efly0Ewithout0Edamaging0Ethe0Eenvironment0Bhtml/story01.htm

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