It's going to happen sooner or later: there's no alternative. Nobody's in any serious doubt about the long-term costs of burning carbon fuels, and aviation is a huge contributor to the problem.
And it's not rocket science to work out how much fuel's left in the tanks when you land in the EU, nor where you got the stuff from in the first place.
What alternatives to kerosene are there? Electric motors? Hardly! Hydrogen? Yes, but see
http://www.flug-revue.rotor.com/FRHe...09/FR9809k.htm Nukes?
http://www.megazone.org/ANP/atomair.shtml is very entertaining but hardly promising. Solar power? Who knows...
R