The Call For Papers for the 20th Annual North American Waste-to-Energy Conference is out. NAWTEC 20 will take place April 23-25, 2012 in Portland, ME. Don't miss this opportunity to reach the largest specialty group of professionals in North America dealing with municipal waste-to-energy, combustion engineering science, and emerging waste conversion & processing technologies. Abstracts are being sought on the following overarching topics: Advancing Waste-to-Energy through Research and Technology, Waste-to-Energy Contracts and Development Initiatives, Waste-to-Energy as Part of Sustainable Waste Management, and Improving Waste-to-Energy Plant Operations. All abstracts must be submitted online by November 7, 2011. The abstract submittal website is currently being developed and will be open soon to accept your submittal. Please visit http://www.nawtec.org for updates on the opening of the website.