Climate and environment protection, energy efficiency, resource management, sustainable enconomy are current topics, we have to deal with. Many strategy papers and funding programs of the european union, of Austria and Carinthia (like EU 20-20-20, energy masterplan of carinthia) show the topicality as well as goals and solution approaches. Thereby many topics matter: renewable energy, energy efficiency, mobility, recycling, ecological food, regional products and services, etc.