Penton Media’s Waste Expo seeks presentations for its 2011 conference, which will be held in May 2011 in Dallas, Texas. Organizers are asking for 250-word abstracts for presentations on innovative systems, dynamic new processes, new business management and development approaches, revolutionary uses of technology, technological improvements in the field, recycling, waste minimization, environmental stewardship, employment, community relations, and much more. The deadline for abstract submission is 20 August 2010. Learn more.