Brussels, 25/06/2013 (Agence Europe) - The trade unions have strongly reaffirmed their opposition to the Single European Sky 2+. In a declaration dated 24 June, the European Transport Workers Federation (ETF), which represents European air traffic controllers and managers, called for the total rejection of this package because it threatened employment and working conditions. The unions also denounce the attempt to liberalise the air traffic control sector, putting economic considerations...