Waste management strategies and technologies are currently undergoing rapid development. The Sardinia Symposia were established in order to make knowledge and experiences in this field readily available. The Symposia rapidly have become the Reference Forum, where the leading experts meet and present their research activities and experiences and discuss new concepts and technologies. The Symposia have witnessed and contributed worldwide to the development of modern waste management strategies such as the integrated waste management hierarchy, recovery of energy and sustainable landfilling. The twelfth Symposium was held in October 2011 in the traditional venue of the Forte Village Complex at S. Margherita di Pula (Cagliari), with an attendance of nearly 800 delegates from 63 different ...