Identify+renewable+resources+as+found+in+authentic+materials+from+electronic+information+sources+and+other+sources. 

http://www.enel.com/it-IT/innovation/project_technology/renewables_development/ http://www.unimondo.org/Guide/Ambiente/Energie-rinnovabili/(desc)/show http://www.enea.it/it/Ricerca_sviluppo/fonti-rinnovabili

http://www.ecodallecitta.it/notizie.php?id=376932 http://minecraft-it.gamepedia.com/Risorse_rinnovabili