The report is the result of combined efforts and strong co-operation between local authorities and local and international experts, in particular Dr. Lutz Franzke, Mayor of Konigs Wusterhausen and partner of the study. Maj Munch Andersen (Denmark), Hans Bruyninckx (Belgium), Ariane Konig (Luxemburg), Klaus Rovsing Kristiansen (Denmark), Hans Mooren (Benelux Union), Alwine Woischnik (Ministry of Environment, Chile) and Martin Bradbeer (MBA, Technical University of Applied Sciences, Wildau). Robert Strauss (European Commission, DG Employment, Social Affairs and Inclusion) and Carmen Avellaner (green energy policy Consultant), provided valuable revisions to the report. Samantha Sharpe (Consultant) of the University of Technology, Sydney provided research and editorial assistance. Bertil Haack of the Technical University of Applied Sciences, Wildau, local expert on the project, prepared the second, thud and fourth chapters, with chapter contributions from Pere Suau-Sanchez as well as Keith Mason (both from the Department of Air Transport Cranfield University, United Kingdom).