sentences:  UNEP promoted use of web-based geospatial technologies with the ability to access the world's environmental information, in association with economic and social policy issues.A reorganization of UNEP's data and information resources was initiated in 2001, based on the GSDI/DE architecture for a network of distributed and interoperable databases creating a framework of linked servers.The design concept was based upon using a growing network of internet mapping software and database content with advanced capabilities to link GIS tools and applications.