International Institute for Sustainable Development on workshops and international fora that seek to contribute to intergovernmental policy making, and manages a suite of knowledgebases that report on activities that seek to contribute to or implement decisions taken at the intergovernmental policy making level. Intergovernmental processes covered by Earth Negotiations Bulletin include: the Commission on Sustainable Development (CSD); the United Nations Framework Convention on Climate Change (UNFCCC); the Convention on Biological Diversity (CBD); the United Nations Convention to Combat Desertification (UNCCD); the United Nations Forum on Forests; the chemicals conventions (Stockholm, Basel and Rotterdam); the Montreal Protocol on Substances that Deplete the Ozone Layer; the Convention
Program and System Information Protocol Program and System Information Protocol The Program and System Information Protocol (PSIP) is the MPEG (a video and audio industry group) and privately defined program-specific information originally defined by General Instrument for the DigiCipher 2 system and later extended for the ATSC digital television system for carrying metadata about each channel in the broadcast MPEG transport stream of a television station and for publishing information about television programs so that viewers can select what to watch by title and description. PSIP defines virtual channels and content ratings, as well as electronic program guides with titles and (optionally) descriptions to be