http://www.theguardian.com/environment/georgemonbiot/2015/dec/04/the-contrails-conspiracy-is-not-just-garbage-its-letting-aviation-off-the-hook Sent from my Windows Phone -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://pairlist4.pair.net/pipermail/gathering/attachments/20151204/3ff3af86/attachment.html>