Global Environment Facility change. The GEF supports projects in forest conservation (primarily protected areas and buffer zones), sustainable use of forests (forest production landscapes, sustainable forest management), and addressing forests and trees in the wider landscape. Ozone depletion: Increased UV-B radiation reaching the Earth would pose risks to human health and the environment. In response, countries negotiated and adopted the Vienna Convention for the Protection of the Ozone Layer in 1985, and the Montreal Protocol on Substances that Deplete the Ozone Layer in 1987. The GEF supports projects in developing countries and countries with economies in transition (CEITs) that are not eligible for
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