All the trends on #Sustainability. Available only in Spanish. Agenda Pública: blog for debate on Energy Transition. Available only in Spanish. The IMEDEA researcher Jorge Terrados (right), explains how the cultivation of 'Posidonia' has been achieved in laboratory conditions to Red Eléctrica’s Head of the R&D+i and European Projects Department, Vicente González (centre) in the presence of Borja Álvarez, representative of Red Eléctrica’s Regional Transmission Dept. in the Balearic Islands. Original Size Planting process of 'Posidonia oceanica' fragments. Sample of 'Posidonia oceanica' cultivated in laboratory conditions. Trays of Posidonia submerged in the sea. 'Posidonia oceanica' shoots grown in laboratory conditions. 'Posidonia oceanica' cultivation tanks.