Open call to participate in the 4rd edition of the International Film festival and Environment Ciudad de Zaragoza, EcoZine, which will take place from 13 to 21 May 2011.EcoZine aims to promote, show and award prizes audiovisual fiction, animation and / or documentaries with environmental themes produced anywhere in the world, and also promote actions and events related to the audiovisual and the Environment. The registration period ends next February 18, 2011,( it´s not a postmak)still availa...