 Also differences in methodology of educational work and cultural differences made it clear, that the green ideology in practice has to be differently implemented in Eastern Europe then in the West.The first activity done by CDN was the Summer Camp 2003 "Peace and Reconciliation on the Balkan" in Jahorina, Bosnia and Herzegovina, with 80 young participants from all over Europe.CDN was built through the structure of the Federation of Young European Greens (FYEG).