The document summarizes an international conference on waste management, recycling, and the environment to be held in Sofia, Bulgaria from March 28-30, 2012. The conference will bring together over 250 participants from 31 countries to discuss topics like waste management, recycling, and waste-to-energy. A focus will be on accelerating waste management development in Southeast Europe. Austria will be highlighted as a leader in environmental technology. The conference aims to encourage international collaboration and knowledge sharing.