The document summarizes the Department of Homeland Security's real property programs and initiatives to improve sustainable management. It discusses DHS' mission areas and components that manage real property. Key initiatives include consolidation, co-location, flexible workplace strategies, disposition, energy and environmental programs, capital planning, and facility condition assessments. The document provides data on DHS' real property portfolio size, value, repair needs, and operating costs from 2008 to 2011. It also outlines drivers to improve federal real property management through various executive orders and GAO reports.