24–27 October 2007, hosted by the Ayuntamiento de Zaragoza and the Diputacion Provincial de Zaragoza and held at the Teatro Romano.
The theme was the Zaragoza International Expo 2008 H2O – Water and Sustainable Development.
The objectives of the Expo were presented together with aspects of the theme, including the sustainable administration of water. There were related presentations on climate change mitigation and adaptation and the METREX EUCO2 80/50 project on metropolitan mitigation (using GRIP – the Greenhouse Gas Regional Inventory Protocol).
