Opening ceremony of the IV International Academic Symposium on Energy and Environmental Policy organized by the Institut d'Economia de Barcelona on February 2nd, 2016 at Barcelona Science Park. Opening led by María Callejón, Vice-Rector for International Policy, UB: Martí Parellada Sabata, IEB Director and FUNSEAM Board of Trustees and María Teresa Costa-Campi, UB and IEB Chair of Energy Sustainability.