...iency and Renewable Energy Sources, initiated by the Association of European Regions (AER) in 2006, underlining the urgency of the issue and the role of regions.In the wake of this declaration 11 EU partners, Flevoland (NL, lead), Abruzzo (IT), EPF (BG), Lazio (IT), Maramures (RO), Norrbotten (SE), Noord-Brabant (NL), Prahova (RO), Västernorrland (SE), Valencia (ES) and Western Greece, joined forc ...