WHAT:  Inspired by the PBS film series "Edens Lost & Found," "Growing Greener Cities: Symposium on Urban Environmental Issues in the 21st Century," a conference to promote sustainable urban environments and the role of community-based participation.

WHO:  Hosting are the Penn Institute for Urban Research at the University of Pennsylvania, the Pennsylvania Horticultural Society and the Media & Policy Center Foundation.

Featured speakers include:

• Wangari Maathai, winner of the 2004 Nobel Peace Prize, founder of the Green Belt Movement;
• Neal Peirce, columnist, Washington Post;
• Robert Yaro, president, Regional Plan Association, professor of practice, Penn Department of City and Regional Planning;
• James Corner, founding principal, Field Operations; chair, Penn Department of Landscape Architecture;
• Susan Wachter, co-director, Penn Institute for Urban Research, professor of financial management, Penn Wharton School.

WHEN: Sunday-Tuesday, Oct. 15-17.

WHERE: University of Pennsylvania, Philadelphia.

DETAILS: Sessions will show how integrated management of natural resources, combined with greening projects, fosters the social, economic and environmental revitalization of cities.

Target audience includes professionals in urban planning, redevelopment, design, horticulture, public health, advocacy and municipal administration as well as students, academics, activists, greening leaders and civic leaders. Online registration, complete program and directions are available at www.pennsylvaniahorticulturalsociety.org/phlgreen/GGCintro.html.