Presentations from the 2006 PROP Conference The following bulleted list of presentations are but a few of the presentations given at the 2006 PROP Conference held at the Omni WIlliam Penn, downtown Pittsburgh Pennsylvania July 26th - 28th. PROP's 2005-2006 Activities and Accomplishments Organics and Local Government Roundtable Recycling Education: Renewing the Message Single Stream Recycling Evaluating Municipal Recycling Programs Program Evaluation Striving for Sustainability in the Shadow of Uncertainty