The U.S. Environmental Protection Agency is seeking proposals for educational sessions at Brownfield 2011–the 14th National Brownfields Conference, scheduled for 3-5 April 2011 at the Pennsylvania Convention Center in Philadelphia. The deadline for submitting proposals is 30 July 2010. The National Brownfields Conference is the largest, most comprehensive conference in the nation focused on cleaning up and redeveloping abandoned, underutilized, and potentially contaminated properties.